leetcode 309. Best Time to Buy and Sell Stock with Cooldown

港控/mmm° 2022-08-20 12:15 8阅读 0赞

Say you have an array for which the ith element is the price of a given stock on day i.  
  
  
Design an algorithm to find the maximum profit. You may complete as many transactions as you like (ie, buy one and sell one share of the stock multiple times) with the following restrictions:  
  
  
You may not engage in multiple transactions at the same time (ie, you must sell the stock before you buy again).  
After you sell your stock, you cannot buy stock on next day. (ie, cooldown 1 day)  
Example:  
  
  
prices = \[1, 2, 3, 0, 2\]  
maxProfit = 3

transactions = \[buy, sell, cooldown, buy, sell\]

// string-transform.cpp : 定义控制台应用程序的入口点。
    //
    
    #include "stdafx.h"
    #include<iostream>
    #include<vector>
    #include<map>
    //#include<algorithm>
    using namespace std;
    
    class Solution{
    public:
    	int max;
    	int do_once(vector<int>prices, map<int, int>&cases, vector<int>& maxpro, vector<vector<int>>transpoint)
    	{
    		map<int, int>newcases;
    		newcases.clear();
    		for (map<int, int>::iterator it = cases.begin(); it != cases.end(); it++)
    		{
    			if (transpoint[it->first].empty())
    			{
    				if (it->second > max)
    					max = it->second;
    			}
    			else
    			{
    				for (int i = 0; i < transpoint[it->first].size(); i++)
    				{
    					int sum = it->second + prices[transpoint[it->first][i]] - prices[it->first];
    					if (transpoint[it->first][i]<prices.size() - 3)
    					{
    						if (sum>maxpro[transpoint[it->first][i] + 2])
    						{
    							maxpro[transpoint[it->first][i] + 2] = sum;
    							bool flag = true;
    							for (int j = it->first + 1; j < transpoint[it->first][i] + 2; j++)
    							{
    								if (maxpro[j] >= sum)
    								{
    									flag = false;
    									break;
    								}
    							}
    							if (flag)
    								newcases[transpoint[it->first][i] + 2] = sum;
    						}
    					}
    					else
    					{
    						if (sum > max)
    							max = sum;
    					}
    				}
    			}
    		}
    		if (newcases.empty())
    			return max;
    		else
    		{
    			cases = newcases;
    			return -1;
    		}
    	}
    	int maxProfit(vector<int>&prices)
    	{
    		if (prices.empty())
    			return 0;
    		max = 0;
    		//vector<int>transactions;
    		//0-buy,1-sell,2-cooldown
    		vector<int> maxpro(prices.size());
    		map<int, int>cases;
    		cases[0] = 0;
    		//求得在当前价位下之后可以交易的时间点，原则是每次交易获利>0
    		vector<vector<int>>transpoint(prices.size() + 1);
    		for (int i = 0; i < prices.size() - 1; i++)
    			for (int j = i + 1; j < prices.size(); j++)
    			{
    				if (prices[j] > prices[i])
    					transpoint[i].push_back(j);
    			}
    		max = do_once(prices, cases, maxpro, transpoint);
    		while (max < 0)
    		{
    			max = do_once(prices, cases, maxpro, transpoint);
    		}
    		return max;
    	}
    };
    
    
    
    int _tmain(int argc, _TCHAR* argv[])
    {
    	int p[] = { 106, 373, 495, 46, 359, 919, 906, 440, 783, 583, 784,
    		73, 238, 701, 972, 308, 165, 774, 990, 675, 737, 990, 713, 157,
    		211, 880, 961, 132, 980, 136, 285, 239, 628, 221, 948, 939, 28,
    		541, 414, 180, 171, 640, 297, 873, 59, 814, 832, 611, 868, 633,
    		101, 67, 396, 264, 445, 548, 257, 656, 624, 71, 607, 67, 836, 14,
    		373, 205, 434, 203, 661, 793, 45, 623, 140, 67, 177, 885, 155, 764,
    		363, 269, 599, 32, 228, 111, 102, 565, 918, 592, 604, 244, 982, 533,
    		781, 604, 115, 429, 33, 894, 778, 885, 145, 888, 577, 275, 644, 824,
    		277, 302, 182, 94, 479, 563, 52, 771, 544, 794, 964, 827, 744, 366,
    		548, 761, 477, 434, 999, 86, 1000, 5, 99, 311, 346, 609, 778, 937,
    		372, 793, 754, 191, 592, 860, 748, 297, 610, 386, 146, 220, 7, 113,
    		657, 438, 482, 700, 158, 884, 877, 964, 777, 139, 809, 489, 383, 92,
    		581, 970, 899, 947, 864, 443, 490, 825, 674, 906, 402, 270, 416, 611,
    		949, 476, 775, 899, 837, 796, 227, 232, 226, 11, 266, 889, 215, 6, 182,
    		430, 5, 706, 994, 128, 359, 841, 439, 263, 491, 689, 638, 485, 763,
    		695, 135, 800, 763, 54, 569, 387, 112, 316, 193, 675, 546, 531, 954, 571,
    		208, 282, 557, 892, 469, 875, 765, 592, 374, 276, 892, 843, 625, 180, 249,
    		292, 477, 882, 837, 112, 46, 667, 187, 93, 418, 790, 903, 12, 978, 510, 647,
    		446, 597, 958, 678, 897, 420, 907, 256, 170, 669, 920, 711, 635, 995, 259, 994,
    		634, 583, 175, 380, 435, 942, 739, 921, 132, 455, 986, 567, 464, 301, 10, 579,
    		84, 745, 717, 588, 414, 375, 319, 770, 310, 510, 521, 88, 445, 59, 460, 120, 765,
    		480, 441, 169, 374, 180, 947, 179, 346, 490, 417, 149, 140, 577, 624, 427, 238, 341,
    		686, 623, 228, 672, 859, 372, 938, 567, 141, 133, 671, 255, 997, 272, 591, 115, 340,
    		692, 531, 235, 123, 677, 980, 31, 774, 135, 194, 956, 723, 779, 375, 546, 59, 695, 616,
    		416, 362, 38, 145, 782, 184, 418, 806, 444, 177, 360, 485, 941, 998, 85, 840, 740, 545, 49,
    		570, 17, 824, 845, 749, 177, 727, 238, 656, 787, 425, 473, 323, 683, 578, 442, 436, 444,
    		595, 367, 44, 467, 93, 507, 949, 598, 579, 471, 1, 347, 982, 232, 878, 217, 845, 777, 284,
    		527, 529, 100, 482, 456, 814, 457, 251, 494, 419, 922, 139, 706, 384, 954, 365, 680, 70,
    		810, 764, 820, 992, 622, 29, 697, 294, 553, 655, 63, 934, 827, 157, 680, 812, 729, 486, 403,
    		151, 988, 926, 460, 193, 294, 423, 774, 715, 906, 957, 598, 929, 339, 119, 686, 88, 228, 803,
    		806, 743, 430, 315, 224, 712, 724, 69, 606, 411, 271, 700, 520, 179, 916, 490, 652, 319, 69,
    		245, 827, 185, 200, 911, 363, 335, 50, 353, 551, 737, 15, 429, 966, 766, 307, 829, 379, 184,
    		779, 239, 254, 904, 262, 719, 321, 380, 253, 564, 348, 878, 570, 470, 313, 752, 563, 164, 301,
    		239, 856, 491, 154, 795, 640, 199, 940, 420, 201, 254, 400, 865, 886, 819, 424, 292, 257, 572,
    		112, 590, 984, 421, 639, 705, 707, 779, 660, 4, 817, 265, 465, 737, 56, 564, 797, 178, 552,
    		988, 621, 98, 665, 379, 607, 300, 439, 269, 196, 94, 860, 540, 830, 756, 294, 806, 321, 930,
    		623, 206, 440, 730, 829, 566, 420, 488, 49, 438, 447, 294, 548, 804, 514, 45, 383, 431, 373,
    		424, 11, 377, 868, 559, 316, 831, 464, 211, 710, 803, 680, 665, 39, 523, 951, 219, 293, 909,
    		838, 708, 663, 627, 220, 100, 565, 269, 982, 236, 185, 194, 697, 556, 767, 541, 360, 103, 497,
    		271, 919, 19, 206, 73, 393, 50, 421, 466, 970, 329, 105, 618, 17, 687, 578, 260, 759, 366, 334,
    		686, 613, 616, 893, 351, 847, 861, 452, 454, 454, 88, 135, 357, 194, 220, 504, 36, 916, 246, 718,
    		172, 395, 292, 613, 533, 662, 983, 701, 877, 842, 445, 263, 529, 679, 526, 31, 385, 918, 898, 584,
    		846, 474, 648, 67, 331, 890, 174, 766, 274, 476, 414, 701, 835, 537, 531, 578, 7, 479, 906,
    		93, 667, 735, 435, 899, 49, 953, 854, 843, 326, 322, 13, 865, 791, 828, 686, 760, 957, 655,
    		601, 406, 185, 738, 788, 519, 874, 630, 440, 839, 511, 149, 715, 566, 988, 0, 354, 498, 81,
    		193, 335, 196, 157, 515, 590, 768, 366, 287, 386, 502, 143, 547, 659, 616, 822, 479, 813,
    		497, 222, 285, 6, 453, 363, 906, 388, 733, 804, 624, 963, 634, 319, 817, 674, 754, 378,
    		999, 373, 793, 419, 246, 274, 960, 1, 130, 186, 576, 382, 204, 227, 607, 435, 299, 790,
    		603, 196, 236, 955, 654, 812, 214, 297, 926, 721, 977, 568, 339, 913, 297, 621, 783,
    		242, 257, 483, 325, 998, 164, 586, 782, 597, 210, 522, 369, 676, 339, 626, 650, 634,
    		477, 793, 85, 12, 695, 655, 53, 287, 730, 0, 689, 225, 805, 593, 430, 610, 963, 172,
    		148, 740, 579, 16, 523, 570, 802, 627, 220, 664, 945, 788, 500, 90, 410, 916, 481,
    		454, 538, 622, 161, 373, 523, 757, 446, 855, 958, 390, 333, 927, 253, 814, 442, 77,
    		325, 14, 655, 502, 200, 791, 58, 714, 951, 370, 557, 261, 859, 199, 46, 775, 249, 369,
    		233, 321, 733, 310, 503, 539, 618, 839, 272, 315, 999, 229, 390, 359, 528, 334, 878,
    		342, 977, 869, 704, 564, 506, 867, 77, 248, 674, 557, 258, 710, 126, 617, 531, 969,
    		289, 578, 947, 103, 581, 599, 918, 686, 143, 253, 56, 393, 58, 144, 211, 806, 285,
    		635, 203, 194, 884, 687, 653, 856, 688, 623, 568, 394, 749, 302, 534, 631, 894, 167,
    		111, 227, 296, 41, 854, 81, 147, 656, 319, 748, 530, 457, 340, 223, 896, 77, 166,
    		974, 659, 36, 338, 177, 496, 483, 690, 569, 504, 211, 554, 758, 732, 660, 61, 62,
    		669, 273, 0, 616, 899, 789, 380, 386, 357, 403, 251, 926, 636, 419, 148, 820, 774,
    		485, 497, 370, 907, 973, 255, 277, 341, 466, 254, 333, 219, 819, 521, 974, 213,
    		590, 981, 697, 927, 904, 717, 726, 574, 94, 625, 991, 378, 249, 388, 786, 355,
    		69, 318, 357, 467, 695, 825, 585, 940, 323, 993, 549, 485, 564, 833, 530, 398,
    		789, 608, 59, 541, 915, 81, 681, 544, 460, 318, 954, 764, 879, 708, 258, 276, 259,
    		505, 649, 529, 824, 914, 660, 490, 666, 676, 618, 339, 712, 981, 802, 239, 605, 270,
    		29, 491, 41, 243, 361, 644, 327, 472, 460, 725, 864, 129, 142, 610, 782, 935, 929,
    		63, 865, 287, 316, 740, 212, 152, 567, 620, 591, 394, 805, 586, 177, 918, 516, 911,
    		944, 427, 128, 778, 930, 965, 27, 633, 534, 567, 575, 247, 691, 571, 775, 456, 622,
    		219, 698, 772, 305, 27, 810, 690, 555, 222, 877, 985, 493, 202, 84, 180, 133, 129,
    		539, 151, 275, 234, 999, 676, 629, 715, 839, 6, 789, 663, 467, 435, 275, 580, 296,
    		8, 73, 849, 456, 681, 794, 954, 543, 602, 615, 4, 131, 593, 778, 175, 587, 670,
    		88, 648, 79, 703, 99, 457, 261, 722, 357, 966, 724, 523, 612, 610, 376, 575, 174,
    		2, 53, 637, 478, 850, 250, 238, 344, 381, 543, 686, 761, 582, 598, 804, 12, 128,
    		928, 133, 998, 188, 598, 590, 507, 898, 402, 771, 703, 912, 744, 317, 300, 852, 631,
    		767, 157, 278, 520, 452, 721, 560, 112, 206, 69, 317, 498, 942, 942, 963, 347, 61,
    		186, 390, 128, 946, 462, 230, 551, 956, 195, 960, 143, 225, 654, 255, 370, 778, 770,
    		487, 192, 479, 180, 505, 509, 508, 717, 976, 826, 346, 521, 472, 148, 965, 965, 971,
    		421, 402, 233, 76, 543, 533, 815, 281, 986, 638, 936, 139, 754, 728, 779, 551, 425,
    		17, 546, 516, 862, 963, 648, 127, 510, 453, 311, 759, 654, 550, 755, 654, 567, 129,
    		34, 927, 900, 421, 961, 923, 117, 766, 71, 132, 680, 917, 460, 609, 874, 179, 336,
    		496, 287, 61, 846, 228, 871, 590, 858, 404, 646, 449, 770, 724, 245, 634, 900, 496,
    		157, 864, 407, 632, 998, 596, 451, 482, 921, 102, 624, 148, 346, 282, 624, 150, 523,
    		598, 492, 267, 54, 889, 872, 979, 38, 1, 282, 513, 877, 798, 994, 400, 254, 435,
    		487, 707, 459, 575, 275, 297, 165, 104, 468, 80, 820, 571, 215, 869, 381, 107,
    		209, 762, 455, 415, 810, 137, 674, 304, 692, 639, 304, 534, 348, 938, 575, 432,
    		471, 74, 631, 291, 405, 622, 352, 58, 549, 832, 655, 458, 688, 468, 827, 447,
    		946, 181, 908, 585, 53, 905, 733, 363, 210, 536, 960, 577, 815, 462, 193, 31,
    		731, 8, 538, 695, 936, 795, 139, 782, 357, 52, 492, 610, 512, 544, 323, 276, 649,
    		940, 54, 749, 723, 544, 365, 500, 441, 284, 17, 660, 748, 871, 701, 591, 356, 64,
    		34, 422, 713, 978, 96, 218, 756, 833, 177, 832, 61, 91, 764, 510, 188, 415, 622,
    		473, 549, 944, 716, 998, 528, 61, 829, 953, 280, 284, 706, 323, 981, 405, 91, 887,
    		568, 874, 725, 236, 933, 41, 895, 940, 375, 468, 314, 667, 694, 609, 631, 621, 655,
    		640, 835, 513, 461, 854, 419, 455, 860, 912, 572, 769, 963, 213, 818, 158, 840, 699,
    		414, 969, 430, 59, 855, 997, 997, 884, 349, 723, 837, 488, 430, 671, 743, 943, 310,
    		399, 884, 423, 486, 587, 491, 106, 716, 0, 768, 704, 483, 663, 827, 587, 915, 904,
    		742, 976, 6, 455, 221, 849, 920, 548, 156, 35, 101, 270, 684, 123, 549, 649, 977,
    		711, 965, 492, 525, 130, 744, 697, 910, 699, 301, 285, 696, 313, 117, 122, 777,
    		163, 789, 924, 543, 446, 60, 214, 102, 97, 45, 670, 960, 23, 522, 680, 178, 757,
    		792, 633, 244, 327, 129, 188, 357, 733, 419, 496, 774, 408, 90, 615, 663, 321,
    		526, 946, 990, 273, 135, 373, 719, 870, 810, 798, 826, 64, 971, 156, 233, 587,
    		253, 712, 384, 964, 173, 511, 116, 291, 639, 450, 947, 623, 656, 548, 605, 498,
    		709, 143, 895, 739, 663, 160, 442, 820, 802, 380, 413, 356, 742, 744, 764, 421, 355,
    		499, 614, 678, 336, 850, 1000, 463, 794, 388, 478, 188, 576, 822, 164, 209, 465,
    		901, 116, 729, 891, 952, 611, 15, 798, 731, 711, 6, 459, 587, 278, 996, 220, 642,
    		563, 363, 271, 16, 379, 959, 332, 315, 414, 659, 602, 786, 571, 78, 450, 544,
    		393, 404, 953, 480, 215, 771, 419, 8, 738, 36, 191, 138, 204, 146, 923, 413, 908,
    		998, 46, 928, 678, 425, 584, 372, 689, 245, 721, 177, 833, 44, 784, 121, 164, 16,
    		714, 680, 974, 685, 340, 810, 101, 301, 791, 716, 697, 768, 33, 901, 994, 417, 353,
    		248, 559, 807, 64, 450, 724, 896, 889, 880, 818, 89, 495, 848, 915, 450, 409, 958,
    		413, 149, 743, 782, 64, 687, 196, 737, 769, 311, 429, 598, 585, 690, 919, 331, 94, 211, 633,
    		888, 856, 844, 870, 931, 934, 66, 407, 121, 902, 417, 522, 423, 821, 196, 625, 855, 830, 673, 463, 181, 857, 775, 374, 490, 971, 751, 835, 823, 770, 79, 916, 80, 829, 810, 856, 674, 524, 352, 251, 548, 899, 363, 465, 0, 989, 322, 51, 86, 740, 542, 920, 310, 365, 677, 287, 688, 373, 225, 774, 331, 430, 482, 630, 46, 567, 236, 370, 502, 347, 191, 137, 646, 218, 634, 399, 278, 423, 540, 26, 612, 700, 43, 508, 176, 268, 525, 267, 676, 257, 651, 88, 349, 556, 6, 463, 29, 410, 753, 224, 693, 535, 747, 40, 854, 155, 376, 192, 434, 12, 342, 98, 718, 639, 951, 205, 923, 354, 564, 988, 960, 676, 965, 29, 104, 898, 535, 915, 868, 768, 269, 294, 944, 523, 145, 895, 382, 53, 935, 671, 518, 338, 623, 524, 204, 146, 900, 161, 258, 739, 417, 119, 825, 336, 182, 123, 749, 355, 188, 109, 740, 945, 826, 921, 123, 65, 69, 682, 461, 259, 661, 247, 523, 796, 153, 142, 851, 411, 536, 190, 478, 417, 296, 113, 158, 263, 754, 532, 368, 748, 42, 890, 129, 643, 717, 564, 525, 5, 348, 204, 383, 427, 696, 861, 684, 902, 591, 609, 467, 837, 104, 565, 168, 828, 916, 645, 232, 153, 794, 384, 642, 753, 550, 176, 142, 132, 141, 192, 635, 14, 634, 329, 403, 790, 460, 29, 512, 443, 15, 74, 114, 456, 487, 303, 13, 822, 429, 136, 113, 637, 283, 542, 519, 411, 564, 220, 346, 907, 389, 780, 479, 480, 179, 385, 285, 445, 393, 508, 885, 697, 168, 542, 357, 553, 149, 710, 126, 508, 271, 845, 689, 231, 217, 984, 848, 905, 87, 168, 1000, 169, 336, 672, 595, 501, 411, 81, 707, 708, 634, 150, 722, 379, 77, 762, 737, 585, 419, 428, 37, 869, 509, 222, 335, 192, 980, 209, 883, 864, 215, 497, 992, 155, 408, 652, 927, 990, 708, 439, 857, 934, 838, 69, 140, 713, 573, 939, 338, 628, 685, 412, 147, 530, 643, 471, 545, 58, 111, 132, 665, 572, 38, 176, 460, 555, 997, 61, 602, 471, 901, 620, 830, 577, 436, 495, 685, 619, 600, 549, 270, 77, 512, 249, 697, 466, 864, 336, 981, 901, 573, 702, 694, 937, 299, 565, 436, 613, 187, 377, 364, 473, 405, 384, 280, 658, 561, 85, 987, 302, 856, 107, 191, 486, 464, 165, 514, 948, 227, 310, 133, 799, 363, 481, 289, 153, 990, 445, 246, 454, 729, 887, 980, 546, 730, 528, 817, 521, 437, 376, 238, 965, 511, 995, 432, 227, 883, 550, 904, 818, 556, 295, 413, 786, 861, 248, 113, 660, 982, 445, 292, 562, 722, 433, 621, 783, 375, 53, 236, 856, 275, 898, 532, 915, 804, 362, 545, 373, 397, 740, 453, 726, 983, 665, 715, 379, 176, 408, 3, 911, 573, 883, 195, 254, 469, 758, 844, 355, 409, 562, 307, 752, 274, 105, 227, 635, 121, 335, 338, 46, 993, 243, 567, 765, 589, 806, 405, 558, 25, 246, 526, 490, 306, 295, 112, 847, 792, 759, 881, 500, 398, 791, 266, 33, 372, 546, 217, 286, 898, 596, 955, 720, 70, 9, 458, 698, 367, 936, 134, 95, 887, 300, 975, 72, 235, 77, 870, 943, 511, 883, 923, 619, 812, 904, 990, 643, 871, 346, 588, 807, 957, 681, 581, 195, 82, 448, 146, 807, 559, 21, 412, 950, 536, 681, 541, 856, 631, 378, 258, 736, 116, 580, 20, 606, 748, 537, 343, 681, 22, 711, 628, 536, 395, 422, 874, 135, 519, 294, 876, 185, 583, 392, 253, 220, 80, 341, 203, 970, 825, 762, 558, 942, 797, 651, 290, 8, 414, 375, 913, 167, 977, 94, 706, 970, 286, 278, 349, 909, 422, 887, 921, 492, 467, 550, 538, 555, 841, 446, 199, 312, 816, 562, 296, 609, 39, 393, 240, 763, 222, 828, 802, 944, 714, 325, 334, 936, 995, 950, 487, 433, 195, 370, 498, 926, 109, 543, 885, 463, 687, 171, 703, 985, 292, 123, 314, 174, 183, 588, 487, 857, 63, 736, 126, 156, 172, 367, 313, 672, 494, 56, 202, 470, 821, 735, 72, 812, 282, 570, 756, 633, 82, 52, 920, 300, 199, 927, 534, 214, 354, 764, 84, 419, 462, 5, 246, 787, 305, 788, 852, 58, 698, 241, 184, 904, 533, 333, 857, 215, 531, 81, 862, 567, 56, 773, 741, 169, 982, 965, 302, 724, 145, 342, 731, 184, 914, 977, 933, 727, 918, 420, 438, 491, 300, 104, 107, 730, 506, 214, 214, 968, 351, 66, 844, 965, 758, 845, 503, 495, 503, 208, 281, 622, 905, 49, 751, 660, 268, 420, 360, 354, 971, 441, 565, 513, 711, 283, 695, 109, 432, 127, 399, 177, 640, 67, 77, 364, 327, 943, 1000, 979, 278, 526, 222, 929, 120, 753, 580, 743, 456, 241, 148, 339, 599, 919, 11, 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565, 169, 719, 291, 64, 31, 780, 706, 702, 164, 397, 330, 426, 708, 773, 583, 465, 258, 673, 958, 681, 389, 986, 863, 823, 435, 406, 961, 454, 107, 799, 615, 318, 884, 52, 705, 65, 845, 484, 579, 246, 363, 46, 286, 217, 190, 262, 138, 260, 181, 307, 733, 469, 754, 12, 417, 854, 315, 268, 171, 145, 837, 667, 600, 83, 222, 537, 913, 962, 817, 419, 184, 537, 611, 972, 972, 886, 593, 791, 253, 239, 377, 37, 967, 301, 661, 608, 122, 177, 33, 368, 577, 543, 221, 319, 624, 673, 919, 879, 27, 609, 618, 742, 860, 682, 702, 115, 589, 642, 140, 102, 869, 522, 440, 927, 440, 284, 942, 307, 631, 294, 771, 234, 913, 447, 708, 603, 68, 601, 683, 842, 210, 292, 711, 322, 647, 246, 749, 159, 799, 385, 393, 857, 630, 36, 542, 523, 992, 421, 406, 5, 835, 396, 535, 708, 659, 816, 943, 760, 773, 162, 587, 913, 957, 383, 972, 138, 929, 644, 348, 63, 708, 596, 142, 277, 395, 361, 524, 876, 647, 413, 717, 241, 527, 287, 338, 662, 441, 546, 274, 39, 404, 806, 598, 23, 638, 180, 725, 497, 462, 180, 332, 444, 998, 205, 108, 6, 898, 203, 226, 832, 93, 478, 142, 152, 747, 476, 374, 783, 239, 123, 888, 553, 40, 158, 940, 720, 676, 855, 520, 415, 188, 91, 91, 242, 573, 292, 372, 9, 441, 790, 605, 39, 505, 476, 657, 836, 252, 504, 397, 303, 731, 723, 115, 181, 903, 802, 657, 746, 821, 40, 982, 549, 898, 859, 459, 573, 772, 165, 436, 196, 958, 706, 860, 201, 371, 428, 331, 220, 117, 765, 753, 271, 84, 544, 226, 700, 22, 926, 180, 96, 829, 515, 315, 706, 547, 243, 46, 396, 315, 652, 776, 895, 989, 65, 582, 901, 282, 684, 676, 915, 882, 653, 539, 969, 693, 1, 651, 244, 500, 65, 49, 830, 988, 250, 974, 352, 904, 422, 182, 530, 568, 152, 345, 657, 777, 920, 927, 18, 672, 974, 273, 923, 181, 171, 673, 35, 62, 648, 169, 691, 409, 283, 508, 554, 764, 408, 478, 200, 623, 241, 940, 113, 579, 284, 854, 493, 231, 779, 435, 237, 194, 692, 444, 538, 726, 728, 511, 108, 115, 869, 922, 98, 294, 311, 703, 723, 800, 286, 970, 994, 434, 973, 980, 704, 746, 283, 824, 26, 780, 463, 446, 407, 761, 178, 887, 375, 256, 290, 624, 243, 327, 398, 390, 482, 227, 660, 482, 816, 254, 951, 82, 235, 860, 5, 545, 121, 882, 766, 513, 399, 79, 675, 433, 738, 924, 149, 68, 878, 71, 597, 680, 648, 664, 390, 736, 979, 834, 45, 465, 724, 851, 567, 732, 182, 958, 530, 302, 435, 102, 944, 989, 366, 832, 632, 76, 93, 252, 2, 244, 945, 522, 336, 751, 230, 415, 331, 855, 506, 726, 496, 663, 662, 862, 447, 417, 272, 486, 63, 280, 618, 686, 713, 468, 723, 512, 78, 119, 338, 665, 278, 634, 186, 506, 896, 345, 281, 124, 826, 217, 494, 652, 982, 418, 825, 918, 714, 299, 308, 800, 260, 793, 365, 989, 873, 396, 110, 576, 533, 690, 734, 635, 235, 743, 356, 792, 508, 313, 866, 512, 888, 827, 127, 727, 805, 711, 826, 134, 64, 729, 623, 79, 313, 776, 245, 896, 43, 669, 143, 935, 450, 463, 967, 337, 242, 169, 849, 755, 262, 790, 661, 165, 863, 744, 797, 979, 86, 432, 67, 202, 813, 244, 112, 54, 844, 327, 106, 708, 892, 535, 667, 870, 740, 150, 695, 329, 987, 39, 168, 54, 553, 192, 581, 478, 324, 569, 145, 536, 911, 549, 880, 884, 994, 367, 997, 138, 606, 236, 547, 452, 250, 683, 23, 596, 172, 598, 865, 972, 528, 243, 442, 560, 342, 840, 643, 221, 174, 282, 746, 779, 686, 709, 657, 623, 258, 770, 793, 364, 770, 9, 456, 459, 623, 739, 524, 209, 997, 974, 386, 635, 547, 790, 849, 703, 489, 493, 132, 132, 389, 869, 727, 405, 182, 25, 887, 361, 447, 483, 483, 226, 94, 408, 938, 89, 546, 296, 497, 551, 704, 152, 816, 955, 674, 856, 594, 598, 711, 766, 336, 852, 258, 653, 849, 322, 209, 895, 596, 684, 286, 12, 547, 392, 263, 60, 548, 772, 562, 391, 772, 757, 994, 656, 468, 520, 667, 329, 600, 612, 222, 528, 601, 721, 832, 954, 918, 33, 381, 9, 27, 95, 328, 623, 163, 783, 854, 313, 635, 943, 25, 619, 121, 676, 993, 115, 614, 651, 76, 157, 744, 834, 190, 298, 127, 66, 733, 949, 616, 750, 598, 313, 968, 784, 884, 653, 111, 108, 833, 995, 981, 661, 856, 506, 276, 519, 345, 801, 822, 818, 17, 921, 691, 225, 688, 952, 915, 50, 532, 401, 412, 258, 193, 752, 757, 890, 714, 156, 157, 20, 371, 43, 723, 426, 976, 725, 54, 212, 132, 251, 288, 33, 237, 944, 945, 451, 105, 595, 937, 120, 896, 372, 367, 300, 251, 760, 366, 907, 390, 977, 518, 527, 724, 749, 593, 984, 450, 206, 31, 70, 734, 543, 986, 944, 965, 180, 8, 933, 148, 936, 84, 441, 557, 167, 689, 412, 378, 642, 29, 179, 324, 209, 9, 955, 750, 486, 719, 784, 147, 200, 791, 484, 292, 337, 925, 882, 179, 347, 694, 656, 5, 420, 135, 23, 825, 627, 884, 943, 627, 41, 412, 664, 32, 190, 150, 89, 914, 961, 952, 906, 453, 568, 348, 840, 296, 632, 672, 164, 209, 77, 743, 994, 965, 787, 616, 288, 58, 722, 459, 400, 361, 800, 210, 680, 885, 707, 361, 966, 843, 703, 679, 469, 883, 627, 927, 391, 66, 896, 668, 569, 675, 151, 706, 446, 194, 11, 562, 85, 621, 335, 170, 548, 438, 455, 821, 363, 861, 466, 673, 560, 430, 737, 216, 403, 401, 895, 559, 589, 434, 561, 188, 313, 846, 36, 956, 119, 161, 90, 353, 594, 530, 204, 544, 652, 433, 625, 270, 886, 802, 207, 437, 438, 918, 406, 710, 308, 463, 68, 856, 560, 26, 399, 238, 302, 324, 405, 794, 488, 194, 737, 711, 409, 451, 920, 599, 184, 693, 165, 153, 76, 501, 139, 583, 646, 845, 347, 262, 72, 246, 645, 541, 135, 385, 251, 632, 983, 474, 342, 188, 500, 155, 927, 21, 743, 268, 354, 694, 904, 992, 520, 175, 697, 363, 647, 2, 692, 308, 355, 721, 161, 590, 104, 497, 305, 177, 493, 531, 486, 918, 634, 821, 46, 952, 313, 843, 915, 376, 478, 325, 19, 399, 541, 425, 561, 381, 885, 836, 143, 582, 174, 868, 406, 608, 813, 951, 122, 812, 269, 816, 88, 220, 847, 94, 754, 265, 169, 413, 12, 728, 327, 118, 832, 499, 369, 285, 944, 246, 953, 182, 205, 357, 463, 884, 142, 220, 32, 639, 84, 902, 275, 827, 389, 828, 982, 913, 554, 105, 849, 226, 45, 154, 239, 856, 526, 359, 730, 180, 344, 541, 478, 354, 990, 991, 636, 1000, 519, 390, 130, 399, 857, 223, 111, 231, 449, 707, 945, 820, 721, 222, 690, 9, 712, 962, 7, 940, 962, 679, 121, 15, 787, 398, 329, 960, 501, 26, 539, 288, 187, 900, 200, 414, 338, 399, 513, 602, 661, 459, 460, 198, 815, 53, 161, 891, 264, 412, 989, 646, 248, 704, 383, 646, 88, 199, 297, 443, 32, 100, 66, 689, 463, 958, 325, 788, 981, 247, 172, 96, 477, 456, 142, 92, 288, 231, 429, 325, 73, 422, 977, 807, 504, 572, 285, 719, 977, 54, 806, 118, 455, 532, 479, 50, 343, 871, 333, 561, 472, 995, 197, 609, 314, 936, 440, 102, 815, 853, 911, 716, 260, 679, 740, 384, 46, 226, 590, 383, 100, 283, 935, 104, 876, 896, 507, 901, 281, 807, 679, 963, 877, 198, 234, 655, 474, 723, 975, 265, 540, 729, 108, 685, 404, 460, 635, 237, 788, 488, 344, 665, 704, 644, 65, 56, 989, 131, 115, 769, 350, 738, 982, 580, 641, 883, 545, 328, 290, 290, 684, 313, 413, 198, 73, 395, 656, 428, 692, 236, 919, 983, 649, 429, 875, 319, 819, 740, 680, 816, 781, 60, 569, 509, 938, 566, 614, 551, 560, 881, 716, 601, 5, 540, 826, 78, 86, 635, 438, 124, 0, 867, 59, 561, 837, 870, 420, 326, 948, 748, 592, 168, 967, 894, 753, 148, 202, 689, 21, 336, 350, 726, 804, 301, 699, 898, 111, 817, 229, 549, 873, 362, 475, 518, 579, 529, 4, 800, 763, 489, 929, 936, 300, 759, 981, 145, 290, 324, 352, 0, 498, 350, 215, 592, 806, 963, 299, 400, 422, 642, 672, 211, 561, 20, 945, 398, 715, 23, 6, 548, 121, 851, 326, 292, 180, 648, 400, 120, 386, 473, 53, 213, 835, 469, 70, 610, 300, 625, 632, 771, 312, 379, 599, 837, 653, 422, 888, 155, 387, 620, 235, 426, 840, 760, 162, 136, 793, 509, 562, 562, 62, 409, 857, 559, 746, 922, 936, 553, 41, 396, 609, 681, 5, 680, 984, 128, 257, 335, 160, 271, 105, 767, 258, 609, 425, 699, 505, 274, 640, 293, 841, 297, 849, 31, 12, 462, 395, 712, 117, 341, 326, 390, 887, 921, 421, 513, 230, 554, 834, 307, 436, 611, 204, 580, 794, 222, 733, 734, 145, 102, 861, 776, 131, 214, 440, 755, 515, 671, 590, 305, 768, 118, 670, 884, 506, 12, 597, 170, 960, 657, 353, 188, 19, 638, 432, 674, 414, 880, 353, 395, 37, 722, 830, 919, 808, 117, 390, 316, 178, 840, 489, 268, 377, 479, 933, 246, 547, 887, 73, 729, 54, 686, 818, 386, 662, 683, 91, 223, 274, 28, 880, 526, 329, 762, 212, 886, 121, 510, 857, 965, 653, 932, 632, 799, 486, 898, 516, 349, 846, 733, 28, 629, 776, 776, 173, 817, 127, 672, 875, 930, 330, 236, 912, 137, 97, 771, 824, 657, 477, 835, 988, 136, 408, 835, 174, 705, 726, 296, 70, 720, 403, 321, 360, 170, 200, 808, 642, 993, 322, 299, 238, 549, 868, 954, 664, 765, 590, 715, 221, 628, 538, 631, 572, 40, 950, 284, 275, 528, 828, 11, 426, 155, 730, 847, 18, 267, 831, 243, 602, 947, 559, 853, 391, 308, 603, 446, 792, 620, 877, 9, 720, 668, 818, 91, 459, 390, 812, 777, 410, 64, 92, 251, 613, 654, 164, 688, 400, 776, 189, 694, 700, 553, 853, 988, 708, 776, 214, 590, 293, 320, 597, 515, 358, 893, 822, 704, 254, 281, 802, 351, 209, 933, 407, 299, 739, 474, 142, 76, 206, 55, 270, 457, 522, 355, 542, 418, 321, 283, 234, 893, 479, 337, 806, 686, 597, 623, 421, 360, 373, 45, 834, 885, 6, 253, 684, 794, 942, 51, 613, 176, 488, 830, 902, 400, 704, 427, 271, 335, 840, 838, 933, 528, 623, 278, 882, 584, 794, 51, -1 };
    	int len = 0;
    	while (p[len] != -1)
    	{
    		++len;
    	}
    	vector<int>prices(p, p + len);
    	Solution sl;
    	cout << sl.maxProfit(prices);
    	system("pause");
    	return 0;
    }

遇到变态testcase，自己的渣算法跪了，呵呵，继续改进