基姆拉尔森计算公式

#include <iostream>
using namespace std;

int main()
{
  char *week[7] = {"星期日","星期一","星期二","星期三","星期四","星期五","星期六"};
  int y, m, d,t;
  while (cin >> y >> m >> d)
  {
    if (m <= 2)
    {
      m += 12;
      y--;
    }
    t = (d + 2 * m + 3 * (m + 1) / 5 + y + y / 4 - y / 100 + y / 400 + 1) % 7;
    cout << week[t] << endl;
  }
  //system("pause");
  return 0;
}