hust考研真题-计算一年的第n天是几月几号

谁借莪１个温暖的怀抱￠ 2021-11-11 14:08 195阅读 0赞

**[https://www.nowcoder.com/practice/b1f7a77416194fd3abd63737cdfcf82b?tpId=69&tqId=29669&tPage=1&ru=/kaoyan/retest/11002&qru=/ta/hust-kaoyan/question-ranking][https_www.nowcoder.com_practice_b1f7a77416194fd3abd63737cdfcf82b_tpId_69_tqId_29669_tPage_1_ru_kaoyan_retest_11002_qru_ta_hust-kaoyan_question-ranking]**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0wxNTU4MTk4NzI3_size_16_color_FFFFFF_t_70]  
**格式化输出**

printf("%04d-%02d-%02d\n",y,i,n + monDay[ry][i]);

**%04d** 表示一共四位不足的前面用0补齐

#include <iostream>
    #include <stdio.h>
    #include <vector>
    
    using namespace std;
    
    #define debug(x) cout<<#x<<": "<<x<<endl;
    
    int monDay[2][13]={ 
        { 0,31,28,31,30,31,30,31,31,30,31,30,31},
        { 0,31,29,31,30,31,30,31,31,30,31,30,31}
    };
    int isrun(int y){ 
        if(y%100 ==0 ){ 
            return ( y%400 == 0);
        }else{ 
            return ( y%4 == 0);
        }
    }
    
    int main()
    { 
        int y;
        int n;
        while(scanf("%d%d" , &y,&n) != EOF){ 
            int ry = isrun(y);
            for(int i=0;i<13;i++){ 
                n -= monDay[ry][i];
                if( n <= 0 ){ 
                    printf("%04d-%02d-%02d\n",y,i,n + monDay[ry][i]);
                    break;
                }
            }
        }
        return 0;
    }

[https_www.nowcoder.com_practice_b1f7a77416194fd3abd63737cdfcf82b_tpId_69_tqId_29669_tPage_1_ru_kaoyan_retest_11002_qru_ta_hust-kaoyan_question-ranking]: https://www.nowcoder.com/practice/b1f7a77416194fd3abd63737cdfcf82b?tpId=69&tqId=29669&tPage=1&ru=/kaoyan/retest/11002&qru=/ta/hust-kaoyan/question-ranking
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0wxNTU4MTk4NzI3_size_16_color_FFFFFF_t_70]: /images/20211109/cb744bfb89934c8b94b50ba56fa60052.png