题解 c++

#include<bits/stdc++.h>
using namespace std;
int n;
int main()
{
	cin>>n;
	if(n%100==0)  //整百年判断
	{
		if(n%400==0)
			cout<<"Y";
		else
			cout<<"N";
	}
	else
	{
		if(n%4==0)
			cout<<"Y";
		else
			cout<<"N";
	}
    return 0;
}