题解 | #打印日期#

简单模拟题，放松心态啦！

#include <iostream>
#include <algorithm>
using namespace std;

int main() {
    int year, d;
    while (cin >> year >> d) {
        int days[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
        if (year % 400 == 0 || (year % 4 == 0 && year % 100 != 0)) days[2] += 1;
        for (int i = 1; i <= 12; i++) {
            if (d <= days[i]) {
                printf("%04d-%02d-%02d\n", year, i, d);
                break;
            }
            d -= days[i];
        }

    }
}