基础练习 闰年判断

PS: 注意400是或

#include<bits/stdc++.h>
using namespace std;
#define ll long long

int main() {
	int y;
	cin>>y;
	if(y%4==0 && y%100!=0 || y%400==0) 
		cout<<"yes";
	else 
		cout<<"no";
	return 0;
}