leetcode hard

梦里梦外; 2023-06-04 02:42 17阅读 0赞

<table> 
 <thead> 
  <tr> 
   <th><br>#</th> 
   <th>Title</th> 
   <th>Solution</th> 
   <th>Acceptance</th> 
   <th>Difficulty</th> 
   <th>Frequency&nbsp;&nbsp;<span title=""></span></th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>&nbsp;</td> 
   <td>4</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/median-of-two-sorted-arrays" rel="nofollow">Median of Two Sorted Arrays</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>27.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>10</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/regular-expression-matching" rel="nofollow">Regular Expression Matching</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>25.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>23</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/merge-k-sorted-lists" rel="nofollow">Merge k Sorted Lists</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>35.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>25</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/reverse-nodes-in-k-group" rel="nofollow">Reverse Nodes in k-Group</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>37.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>30</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/substring-with-concatenation-of-all-words" rel="nofollow">Substring with Concatenation of All Words</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>24.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>32</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/longest-valid-parentheses" rel="nofollow">Longest Valid Parentheses</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>26.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>37</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/sudoku-solver" rel="nofollow">Sudoku Solver</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>38.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>41</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/first-missing-positive" rel="nofollow">First Missing Positive</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>29.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>42</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/trapping-rain-water" rel="nofollow">Trapping Rain Water</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>44.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>44</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/wildcard-matching" rel="nofollow">Wildcard Matching</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>23.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>45</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/jump-game-ii" rel="nofollow">Jump Game II</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>28.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>51</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/n-queens" rel="nofollow">N-Queens</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>41.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>52</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/n-queens-ii" rel="nofollow">N-Queens II</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>53.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>57</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/insert-interval" rel="nofollow">Insert Interval</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>31.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>65</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/valid-number" rel="nofollow">Valid Number</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>14.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>68</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/text-justification" rel="nofollow">Text Justification</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>24.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>72</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/edit-distance" rel="nofollow">Edit Distance</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>39.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>76</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/minimum-window-substring" rel="nofollow">Minimum Window Substring</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>31.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>84</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/largest-rectangle-in-histogram" rel="nofollow">Largest Rectangle in Histogram</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>32.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>85</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/maximal-rectangle" rel="nofollow">Maximal Rectangle</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>34.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>87</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/scramble-string" rel="nofollow">Scramble String</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>32.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>97</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/interleaving-string" rel="nofollow">Interleaving String</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>28.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>99</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/recover-binary-search-tree" rel="nofollow">Recover Binary Search Tree</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>35.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>115</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/distinct-subsequences" rel="nofollow">Distinct Subsequences</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>35.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>123</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii" rel="nofollow">Best Time to Buy and Sell Stock III</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>34.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>124</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/binary-tree-maximum-path-sum" rel="nofollow">Binary Tree Maximum Path Sum</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>30.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>126</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/word-ladder-ii" rel="nofollow">Word Ladder II</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>18.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>128</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/longest-consecutive-sequence" rel="nofollow">Longest Consecutive Sequence</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>42.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>132</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/palindrome-partitioning-ii" rel="nofollow">Palindrome Partitioning II</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>28.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>135</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/candy" rel="nofollow">Candy</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>29.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>140</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/word-break-ii" rel="nofollow">Word Break II</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>28.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>145</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/binary-tree-postorder-traversal" rel="nofollow">Binary Tree Postorder Traversal</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>49.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>149</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/max-points-on-a-line" rel="nofollow">Max Points on a Line</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>16.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>154</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii" rel="nofollow">Find Minimum in Rotated Sorted Array II</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>39.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>158</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times" rel="nofollow">Read N Characters Given Read4 II - Call multiple times</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>27.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>159</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters" rel="nofollow">Longest Substring with At Most Two Distinct Characters</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>47.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>164</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/maximum-gap" rel="nofollow">Maximum Gap</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>33.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>174</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/dungeon-game" rel="nofollow">Dungeon Game</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>27.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>185</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/department-top-three-salaries" rel="nofollow">Department Top Three Salaries</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>27.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>188</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv" rel="nofollow">Best Time to Buy and Sell Stock IV</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>26.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>212</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/word-search-ii" rel="nofollow">Word Search II</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>29.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>214</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/shortest-palindrome" rel="nofollow">Shortest Palindrome</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>28.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>218</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/the-skyline-problem" rel="nofollow">The Skyline Problem</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>32.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>224</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/basic-calculator" rel="nofollow">Basic Calculator</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>33.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>233</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/number-of-digit-one" rel="nofollow">Number of Digit One</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>30.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>239</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/sliding-window-maximum" rel="nofollow">Sliding Window Maximum</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>39.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>248</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/strobogrammatic-number-iii" rel="nofollow">Strobogrammatic Number III</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>37.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>262</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/trips-and-users" rel="nofollow">Trips and Users</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>26.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>265</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/paint-house-ii" rel="nofollow">Paint House II</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>42.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>269</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/alien-dictionary" rel="nofollow">Alien Dictionary</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>32.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>272</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/closest-binary-search-tree-value-ii" rel="nofollow">Closest Binary Search Tree Value II</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>46.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>273</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/integer-to-english-words" rel="nofollow">Integer to English Words</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>24.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>282</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/expression-add-operators" rel="nofollow">Expression Add Operators</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>33.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>291</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/word-pattern-ii" rel="nofollow">Word Pattern II</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>41.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>295</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/find-median-from-data-stream" rel="nofollow">Find Median from Data Stream</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>38.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>296</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/best-meeting-point" rel="nofollow">Best Meeting Point</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>55.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>297</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/serialize-and-deserialize-binary-tree" rel="nofollow">Serialize and Deserialize Binary Tree</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>42.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>301</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/remove-invalid-parentheses" rel="nofollow">Remove Invalid Parentheses</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>40.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>302</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/smallest-rectangle-enclosing-black-pixels" rel="nofollow">Smallest Rectangle Enclosing Black Pixels</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>49.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>305</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/number-of-islands-ii" rel="nofollow">Number of Islands II</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>41.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>308</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/range-sum-query-2d-mutable" rel="nofollow">Range Sum Query 2D - Mutable</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>32.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>312</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/burst-balloons" rel="nofollow">Burst Balloons</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>48.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>315</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/count-of-smaller-numbers-after-self" rel="nofollow">Count of Smaller Numbers After Self</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>39.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>316</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/remove-duplicate-letters" rel="nofollow">Remove Duplicate Letters</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>33.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>317</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/shortest-distance-from-all-buildings" rel="nofollow">Shortest Distance from All Buildings</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>38.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>321</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/create-maximum-number" rel="nofollow">Create Maximum Number</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>25.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>327</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/count-of-range-sum" rel="nofollow">Count of Range Sum</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>33.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>329</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/longest-increasing-path-in-a-matrix" rel="nofollow">Longest Increasing Path in a Matrix</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>40.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>330</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/patching-array" rel="nofollow">Patching Array</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>33.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>335</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/self-crossing" rel="nofollow">Self Crossing</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>27.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>336</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/palindrome-pairs" rel="nofollow">Palindrome Pairs</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>31.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>340</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters" rel="nofollow">Longest Substring with At Most K Distinct Characters</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>40.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>352</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/data-stream-as-disjoint-intervals" rel="nofollow">Data Stream as Disjoint Intervals</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>44.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>354</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/russian-doll-envelopes" rel="nofollow">Russian Doll Envelopes</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>34.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>358</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/rearrange-string-k-distance-apart" rel="nofollow">Rearrange String k Distance Apart</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>33.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>363</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/max-sum-of-rectangle-no-larger-than-k" rel="nofollow">Max Sum of Rectangle No Larger Than K</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>35.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>381</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed" rel="nofollow">Insert Delete GetRandom O(1) - Duplicates allowed</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>32.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>391</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/perfect-rectangle" rel="nofollow">Perfect Rectangle</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>28.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>403</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/frog-jump" rel="nofollow">Frog Jump</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>36.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>407</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/trapping-rain-water-ii" rel="nofollow">Trapping Rain Water II</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>39.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>410</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/split-array-largest-sum" rel="nofollow">Split Array Largest Sum</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>42.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>411</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/minimum-unique-word-abbreviation" rel="nofollow">Minimum Unique Word Abbreviation</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>35.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>420</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/strong-password-checker" rel="nofollow">Strong Password Checker</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>16.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>425</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/word-squares" rel="nofollow">Word Squares</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>45.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>428</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree" rel="nofollow">Serialize and Deserialize N-ary Tree</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>55.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>431</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/encode-n-ary-tree-to-binary-tree" rel="nofollow">Encode N-ary Tree to Binary Tree</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>65.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>432</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/all-oone-data-structure" rel="nofollow">All O`one Data Structure</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>30.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>440</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/k-th-smallest-in-lexicographical-order" rel="nofollow">K-th Smallest in Lexicographical Order</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>27.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>446</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/arithmetic-slices-ii-subsequence" rel="nofollow">Arithmetic Slices II - Subsequence</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>30.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>458</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/poor-pigs" rel="nofollow">Poor Pigs</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>46.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>460</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/lfu-cache" rel="nofollow">LFU Cache</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>29.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>465</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/optimal-account-balancing" rel="nofollow">Optimal Account Balancing</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>43.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>466</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/count-the-repetitions" rel="nofollow">Count The Repetitions</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>27.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>471</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/encode-string-with-shortest-length" rel="nofollow">Encode String with Shortest Length</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>45.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>472</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/concatenated-words" rel="nofollow">Concatenated Words</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>36.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>479</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/largest-palindrome-product" rel="nofollow">Largest Palindrome Product</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>27.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>480</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/sliding-window-median" rel="nofollow">Sliding Window Median</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>33.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>483</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/smallest-good-base" rel="nofollow">Smallest Good Base</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>34.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>488</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/zuma-game" rel="nofollow">Zuma Game</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>39.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>489</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/robot-room-cleaner" rel="nofollow">Robot Room Cleaner</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>65.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>493</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/reverse-pairs" rel="nofollow">Reverse Pairs</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>23.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>499</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/the-maze-iii" rel="nofollow">The Maze III</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>38.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>502</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/ipo" rel="nofollow">IPO</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>38.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>514</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/freedom-trail" rel="nofollow">Freedom Trail</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>41.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>517</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/super-washing-machines" rel="nofollow">Super Washing Machines</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>37.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>527</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/word-abbreviation" rel="nofollow">Word Abbreviation</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>51.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>546</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/remove-boxes" rel="nofollow">Remove Boxes</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>38.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>552</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/student-attendance-record-ii" rel="nofollow">Student Attendance Record II</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>33.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>564</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/find-the-closest-palindrome" rel="nofollow">Find the Closest Palindrome</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>19.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>568</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/maximum-vacation-days" rel="nofollow">Maximum Vacation Days</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>38.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>569</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/median-employee-salary" rel="nofollow">Median Employee Salary</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>49.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>571</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/find-median-given-frequency-of-numbers" rel="nofollow">Find Median Given Frequency of Numbers</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>46.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>579</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/find-cumulative-salary-of-an-employee" rel="nofollow">Find Cumulative Salary of an Employee</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>34.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>587</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/erect-the-fence" rel="nofollow">Erect the Fence</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>34.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>588</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/design-in-memory-file-system" rel="nofollow">Design In-Memory File System</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>41.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>591</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/tag-validator" rel="nofollow">Tag Validator</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>33.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>600</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/non-negative-integers-without-consecutive-ones" rel="nofollow">Non-negative Integers without Consecutive Ones</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>33.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>601</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/human-traffic-of-stadium" rel="nofollow">Human Traffic of Stadium</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>37.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>615</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/average-salary-departments-vs-company" rel="nofollow">Average Salary: Departments VS Company</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>39.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>618</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/students-report-by-geography" rel="nofollow">Students Report By Geography</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>44.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>629</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/k-inverse-pairs-array" rel="nofollow">K Inverse Pairs Array</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>29.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>630</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/course-schedule-iii" rel="nofollow">Course Schedule III</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>32.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>631</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/design-excel-sum-formula" rel="nofollow">Design Excel Sum Formula</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>29.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>632</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists" rel="nofollow">Smallest Range Covering Elements from K Lists</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>48.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>639</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/decode-ways-ii" rel="nofollow">Decode Ways II</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>25.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>642</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/design-search-autocomplete-system" rel="nofollow">Design Search Autocomplete System</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>39.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>644</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/maximum-average-subarray-ii" rel="nofollow">Maximum Average Subarray II</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>29.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>656</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/coin-path" rel="nofollow">Coin Path</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>27.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>660</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/remove-9" rel="nofollow">Remove 9</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>52.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>664</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/strange-printer" rel="nofollow">Strange Printer</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>37.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>668</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/kth-smallest-number-in-multiplication-table" rel="nofollow">Kth Smallest Number in Multiplication Table</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>42.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>675</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/cut-off-trees-for-golf-event" rel="nofollow">Cut Off Trees for Golf Event</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>31.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>679</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/24-game" rel="nofollow">24 Game</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>43.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>683</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/k-empty-slots" rel="nofollow">K Empty Slots</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>34.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>685</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/redundant-connection-ii" rel="nofollow">Redundant Connection II</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>31.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>689</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/maximum-sum-of-3-non-overlapping-subarrays" rel="nofollow">Maximum Sum of 3 Non-Overlapping Subarrays</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>44.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>691</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/stickers-to-spell-word" rel="nofollow">Stickers to Spell Word</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>39.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>699</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/falling-squares" rel="nofollow">Falling Squares</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>40.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>710</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/random-pick-with-blacklist" rel="nofollow">Random Pick with Blacklist</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>32.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>711</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/number-of-distinct-islands-ii" rel="nofollow">Number of Distinct Islands II</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>47.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>715</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/range-module" rel="nofollow">Range Module</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>36.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>719</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/find-k-th-smallest-pair-distance" rel="nofollow">Find K-th Smallest Pair Distance</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>29.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>726</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/number-of-atoms" rel="nofollow">Number of Atoms</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>45.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>727</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/minimum-window-subsequence" rel="nofollow">Minimum Window Subsequence</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>38.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>730</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/count-different-palindromic-subsequences" rel="nofollow">Count Different Palindromic Subsequences</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>39.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>732</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/my-calendar-iii" rel="nofollow">My Calendar III</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>56.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>736</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/parse-lisp-expression" rel="nofollow">Parse Lisp Expression</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>45.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>741</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/cherry-pickup" rel="nofollow">Cherry Pickup</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>30.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>745</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/prefix-and-suffix-search" rel="nofollow">Prefix and Suffix Search</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>31.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>749</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/contain-virus" rel="nofollow">Contain Virus</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>41.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>753</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/cracking-the-safe" rel="nofollow">Cracking the Safe</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>47.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>757</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/set-intersection-size-at-least-two" rel="nofollow">Set Intersection Size At Least Two</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>36.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>759</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/employee-free-time" rel="nofollow">Employee Free Time</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>62.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>761</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/special-binary-string" rel="nofollow">Special Binary String</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>52.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>765</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/couples-holding-hands" rel="nofollow">Couples Holding Hands</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>52.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>768</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/max-chunks-to-make-sorted-ii" rel="nofollow">Max Chunks To Make Sorted II</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>46.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>770</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/basic-calculator-iv" rel="nofollow">Basic Calculator IV</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>45.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>772</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/basic-calculator-iii" rel="nofollow">Basic Calculator III</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>41.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>773</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/sliding-puzzle" rel="nofollow">Sliding Puzzle</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>53.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>774</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/minimize-max-distance-to-gas-station" rel="nofollow">Minimize Max Distance to Gas Station</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>43.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>778</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/swim-in-rising-water" rel="nofollow">Swim in Rising Water</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>48.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>780</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/reaching-points" rel="nofollow">Reaching Points</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>27.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>782</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/transform-to-chessboard" rel="nofollow">Transform to Chessboard</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>39.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>786</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/k-th-smallest-prime-fraction" rel="nofollow">K-th Smallest Prime Fraction</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>40.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>793</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/preimage-size-of-factorial-zeroes-function" rel="nofollow">Preimage Size of Factorial Zeroes Function</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>39.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>798</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/smallest-rotation-with-highest-score" rel="nofollow">Smallest Rotation with Highest Score</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>41.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>803</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/bricks-falling-when-hit" rel="nofollow">Bricks Falling When Hit</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>29.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>805</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/split-array-with-same-average" rel="nofollow">Split Array With Same Average</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>24.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>810</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/chalkboard-xor-game" rel="nofollow">Chalkboard XOR Game</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>45.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>815</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/bus-routes" rel="nofollow">Bus Routes</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>40.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>818</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/race-car" rel="nofollow">Race Car</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>36.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>827</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/making-a-large-island" rel="nofollow">Making A Large Island</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>43.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>828</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/unique-letter-string" rel="nofollow">Unique Letter String</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>41.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>829</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/consecutive-numbers-sum" rel="nofollow">Consecutive Numbers Sum</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>34.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>834</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/sum-of-distances-in-tree" rel="nofollow">Sum of Distances in Tree</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>40.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>839</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/similar-string-groups" rel="nofollow">Similar String Groups</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>35.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>843</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/guess-the-word" rel="nofollow">Guess the Word</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>44.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>847</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/shortest-path-visiting-all-nodes" rel="nofollow">Shortest Path Visiting All Nodes</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>48.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>850</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/rectangle-area-ii" rel="nofollow">Rectangle Area II</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>45.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>854</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/k-similar-strings" rel="nofollow">K-Similar Strings</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>34.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>857</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/minimum-cost-to-hire-k-workers" rel="nofollow">Minimum Cost to Hire K Workers</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>48.2%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>862</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/shortest-subarray-with-sum-at-least-k" rel="nofollow">Shortest Subarray with Sum at Least K</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>22.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>864</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/shortest-path-to-get-all-keys" rel="nofollow">Shortest Path to Get All Keys</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>37.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>871</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/minimum-number-of-refueling-stops" rel="nofollow">Minimum Number of Refueling Stops</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>29.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>878</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/nth-magical-number" rel="nofollow">Nth Magical Number</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>25.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>879</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/profitable-schemes" rel="nofollow">Profitable Schemes</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>37.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>882</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/reachable-nodes-in-subdivided-graph" rel="nofollow">Reachable Nodes In Subdivided Graph</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>38.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>887</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/super-egg-drop" rel="nofollow">Super Egg Drop</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>25.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>891</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/sum-of-subsequence-widths" rel="nofollow">Sum of Subsequence Widths</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>29.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>895</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/maximum-frequency-stack" rel="nofollow">Maximum Frequency Stack</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>57.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>899</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/orderly-queue" rel="nofollow">Orderly Queue</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>48.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>902</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/numbers-at-most-n-given-digit-set" rel="nofollow">Numbers At Most N Given Digit Set</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>29.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>903</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/valid-permutations-for-di-sequence" rel="nofollow">Valid Permutations for DI Sequence</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>45.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>906</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/super-palindromes" rel="nofollow">Super Palindromes</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>30.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>913</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/cat-and-mouse" rel="nofollow">Cat and Mouse</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>29.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>920</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/number-of-music-playlists" rel="nofollow">Number of Music Playlists</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>43.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>924</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/minimize-malware-spread" rel="nofollow">Minimize Malware Spread</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>40.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>927</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/three-equal-parts" rel="nofollow">Three Equal Parts</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>30.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>928</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/minimize-malware-spread-ii" rel="nofollow">Minimize Malware Spread II</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>39.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>936</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/stamping-the-sequence" rel="nofollow">Stamping The Sequence</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>35.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>940</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/distinct-subsequences-ii" rel="nofollow">Distinct Subsequences II</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>40.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>943</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/find-the-shortest-superstring" rel="nofollow">Find the Shortest Superstring</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>39.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>952</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/largest-component-size-by-common-factor" rel="nofollow">Largest Component Size by Common Factor</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>26.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>956</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/tallest-billboard" rel="nofollow">Tallest Billboard</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>38.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>960</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/delete-columns-to-make-sorted-iii" rel="nofollow">Delete Columns to Make Sorted III</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>52.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>964</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/least-operators-to-express-number" rel="nofollow">Least Operators to Express Number</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>40.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>968</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/binary-tree-cameras" rel="nofollow">Binary Tree Cameras</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>35.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>972</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/equal-rational-numbers" rel="nofollow">Equal Rational Numbers</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>39.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>975</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/odd-even-jump" rel="nofollow">Odd Even Jump</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>46.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>980</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/unique-paths-iii" rel="nofollow">Unique Paths III</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>71.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>982</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/triples-with-bitwise-and-equal-to-zero" rel="nofollow">Triples with Bitwise AND Equal To Zero</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>54.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>992</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/subarrays-with-k-different-integers" rel="nofollow">Subarrays with K Different Integers</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>45.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>995</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/minimum-number-of-k-consecutive-bit-flips" rel="nofollow">Minimum Number of K Consecutive Bit Flips</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>47.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>996</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/number-of-squareful-arrays" rel="nofollow">Number of Squareful Arrays</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>47.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1000</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/minimum-cost-to-merge-stones" rel="nofollow">Minimum Cost to Merge Stones</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>34.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1001</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/grid-illumination" rel="nofollow">Grid Illumination</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>34.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1012</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/numbers-with-repeated-digits" rel="nofollow">Numbers With Repeated Digits</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>34.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1028</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/recover-a-tree-from-preorder-traversal" rel="nofollow">Recover a Tree From Preorder Traversal</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>69.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1032</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/stream-of-characters" rel="nofollow">Stream of Characters</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>42.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1036</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/escape-a-large-maze" rel="nofollow">Escape a Large Maze</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>35.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1044</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/longest-duplicate-substring" rel="nofollow">Longest Duplicate Substring</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>22.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1063</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/number-of-valid-subarrays" rel="nofollow">Number of Valid Subarrays</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>72.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1067</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/digit-count-in-range" rel="nofollow">Digit Count in Range</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>37.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1074</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/number-of-submatrices-that-sum-to-target" rel="nofollow">Number of Submatrices That Sum to Target</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>57.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1088</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/confusing-number-ii" rel="nofollow">Confusing Number II</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>36.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1092</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/shortest-common-supersequence" rel="nofollow">Shortest Common Supersequence&nbsp;</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>48.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1095</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/find-in-mountain-array" rel="nofollow">Find in Mountain Array</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>34.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1096</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/brace-expansion-ii" rel="nofollow">Brace Expansion II</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>56.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1097</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/game-play-analysis-v" rel="nofollow">Game Play Analysis V</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>47.0%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1106</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/parsing-a-boolean-expression" rel="nofollow">Parsing A Boolean Expression</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>57.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1121</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/divide-array-into-increasing-sequences" rel="nofollow">Divide Array Into Increasing Sequences</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>53.6%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1125</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/smallest-sufficient-team" rel="nofollow">Smallest Sufficient Team</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>44.5%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1127</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/user-purchase-platform" rel="nofollow">User Purchase Platform</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>45.4%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1136</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/parallel-courses" rel="nofollow">Parallel Courses</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>60.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1147</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/longest-chunked-palindrome-decomposition" rel="nofollow">Longest Chunked Palindrome Decomposition</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>57.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1153</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/string-transforms-into-another-string" rel="nofollow">String Transforms Into Another String</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>28.7%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1157</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/online-majority-element-in-subarray" rel="nofollow">Online Majority Element In Subarray</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>32.3%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1159</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/market-analysis-ii" rel="nofollow">Market Analysis II</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>48.8%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1163</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/last-substring-in-lexicographical-order" rel="nofollow">Last Substring in Lexicographical Order</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>29.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1168</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/optimize-water-distribution-in-a-village" rel="nofollow">Optimize Water Distribution in a Village</a>&nbsp;&nbsp; 
     <span>&nbsp;&nbsp;</span> 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>48.9%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1172</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/dinner-plate-stacks" rel="nofollow">Dinner Plate Stacks</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>42.1%</td> 
   <td><span>Hard</span></td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>1178</td> 
   <td> 
    <div> 
     <a href="https://leetcode.com/problems/number-of-valid-words-for-each-puzzle" rel="nofollow">Number of Valid Words for Each Puzzle</a>&nbsp;&nbsp;&nbsp;&nbsp; 
    </div> </td> 
   <td>&nbsp;</td> 
   <td>23.7%</td> 
   <td><span>Hard<br><br></span></td> 
  </tr> 
 </tbody> 
</table>

转载于:https://www.cnblogs.com/think90/p/11443106.html