基础练习 闰年判断

http://lx.lanqiao.cn/problem.page?gpid=T5

#include<iostream>
using namespace std;

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