这些答案我都写在这了

a=int(input()) if a % 4==0 and a % 100 !=0: print("Y") elif a %400 ==0: print("Y") else : print("N")

#include<iostream> using namespace std; int main(){ int n; cin >> n; if(n%40&&n%100!=0||n%4000){ cout << "Y"; }else{ cout<<"N"; } return 0; }

#include<iostream> using namespace std; int main() { int a = 0; cin >> a; if (a%40&&a%100!=0) { cout << "Y" ; } else if(a%4000) { cout<<"Y"; } else { cout << "N" ; } return 0; }

a = int(input()) if (a%4 == 0 and a%100 != 0) or (a%400 == 0): print("Y") else : print("N")

#include <iostream> using namespace std; int main(){ int a; cin>>a; if(a%40&&a%100!=0||a%4000){//简单到爆炸的判断 cout<<"Y"; }else{ cout<<"N"; } return 0; }

#include<iostream> using namespace std; int main(){ int a; cin>>a; if(a%40&&a%100!=0||a%4000) cout<<"Y"; else cout<<"N"; }

题解来啦（可直接抄） 用ifelse就行辣

#include<iostream> using namespace std; int main(){ int n; cin>>n; if(n%4000 || n%40 && n%100!=0){ cout<<"Y"; }else{ cout<<"N"; } }

#include<iostream> #include <algorithm> #include <bits/stdc++.h> #include <math.h> #include <cmath> #include<string> #include<cstring> #include<list> #include<map> #include<queue> #include<iterator> #include<stack> using namespace std; int main(){ int a; cin>>a; if(a%4 == 0 && a%100 != 0 || a%400 == 0){ cout<<"Y"<<endl; } else{ cout<<"N"<<endl; } return 0; }

#include<iostream> using namespace std; int main(){ int a; cin>>a; if(a%40&&a%100!=0||a%4000){ cout<<"Y"; } else{ cout<<"N"; } return 0; }

#include<iostream> using namespace std; int main() { int y; cin >> y; if (y % 4 == 0 && y % 100 != 0 || y % 400 == 0) { cout << "Y" << endl; } else { cout << "N" << endl; } return 0; } //闰年的条件是:一:能被4整除，但不能被100整除的年份 (例如2008是闰年，1900不是闰年) //二:能被400整除的年份 (例如2000年)也是闰年。 // ——万年历

#include<iostream> using namespace std; int main(){ int year; cin>>year; if(year%4 == 0 && year%100 != 0 || year%400 == 0){ cout<<"Y"<<endl; } else{ cout<<"N"<<endl; } return 0; }

#include<iostream> using namespace std; int main() { int a; cin>>a; if((a%40 && a%100!=0) || a%4000) { cout<<"Y"<<endl; } else { cout<<"N"<<endl; } return 0; }

#include<iostream> using namespace std; int main() { int a;cin>>a; if(a%40&&a%100!=0||a%4000) { cout<<"Y"; return 0; } cout<<"N"; return 0; }

#include<iostream> using namespace std; int main(){ int year; cin>>year; if(year % 400 == 0 || year % 4 ==0 && year % 100 != 0) cout<<'Y'; else cout << 'N'; return 0; }

#include<bits/stdc++.h> using namespace std; int main() { int n; cin>>n; if(n%40&&n%100!=0||n%4000) { cout<<"Y"; } else { cout<<"N"; } return 0; }

#include<iostream> using namespace std; int main(){ int n; cin >> n; if(n%4000||n%40&&n%100!=0) cout << "yes"; else cout << "no"; }