题解 | #今年的第几天？#

#include <iostream>
using namespace std;

int y, m ,d;
int a[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};

int main()
{
    while (cin >> y >> m >>d){
    if ((!(y % 4) && (y % 100)) || !(y % 400))
        a[1] = 29;
    for (int i = 0; i < m - 1; ++i)
        d += a[i];
    cout << d << endl;}
    return 0;
}