蓝桥杯-高斯日记

//出生那天也算一天！！！！！！ 这题写了一个小时！！！！汗！！！！！ 
#include <iostream>

using namespace std;

int nian(int x)
{
    if(x%400 == 0|| (x%100!=0&&x%4==0))
    return 1;
    else
    return 0;
} 
int main()
{

      int m;
      int a[40] = {246};
      for(int i = 1; i < 30;i++)
        if(nian(1977+i))
          a[i] = 366;
         else
          a[i] = 365;  
      //for(int i = 1;i < 30; i++)
        //  cout << a[i] << ' ';
       int year,yue,day;
       int s[12] = {31,0,31,30,31,30,31,31,30,31,30,31}; 
      cin >> m;
      for(int i = 0; i < 30; i++)
       {
             if(m <= a[i])
             {
                  year= i;
                  if(nian(1777+i))
                     s[1] = 29;
                  else
                     s[1] = 28;
                   for(int i = 0; i < 12 ; i++)
                     if(m > s[i]) m = m -s[i];
                     else if(m <= s[i])
                             {
                                  yue = i+1;
                                  day = m;
                                  break;
                              }
                   
                  break;   //找到就退出            
             }
             else
               m = m - a[i];
              // cout << m << ' ';
        }
        cout << year+1777 <<' ' << yue << ' ' << day << endl;
        system("pause");
        return 0;
}