#include<iostream> using namespace std; int main(){ char a; cin>>a; if (a == 'y' || a == 'Y'){ cout<<"Yes"; } else if(a == 'n'|| a == 'N'){ cout<<"No"; } return 0; }

#include<bits/stdc++.h> using namespace std; int main(){ char a; cin>>a; if(a=='Y'||a=='y'){ cout<<"Yes"; }else{ cout<<"No"; } return 0; }

c++解法 Python解法

#include<bits/stdc++.h> using namespace std; int main(){ char a; cin>>a; if(a=='y'||a=='Y'){ cout<<"Yes"; }else{ cout<<"No"; } return 0;}

#include<iostream> using namespace std; int main(){ char a; cin>>a; if(a=='y'||a=='Y'){ cout<<"Yes"; }else if(a=='n'||a=='N'){ cout<<"No"; } return 0; }

#include <iostream> #include <cmath> using namespace std; int main() { char a; cin>>a; if (a=='Y' or a=='y') { cout<<"Yes"; } else { cout<<"No"; } }