liujunhao 2023-12-12 21:09:58 1 返回题目
#include<bits/stdc++.h>
using namespace std;
int a[20]={0,31,28,31,30,31,30,31,31,30,31,30,31};
int main(){
int n,m; scanf("%d%d", &n, &m); if(n%4==0&&n%100!=0||n%400==0){ a[2]++; } cout<<a[m]; return 0;
}
