- chenxueze's blog
2.2
- 2025-2-6 10:23:57 @
#include<bits/stdc++.h>
using namespace std;
int main(){
int n;
cin >> n;
if (n >= 25 && n <= 30) {
cout << "ok!";
}
else {
cout << "no!";
}
return 0;
}
#include<bits/stdc++.h>
using namespace std;
int main(){
int n;
cin >> n;
if (n >= 25 && n <= 30) {
cout << "ok!";
}
else {
cout << "no!";
}
return 0;
}