n = int(input()) for i in range(n): for j in range(n): print('*',end='') print() 不用感谢我

#include<bits/stdc++.h> using namespace std; int n; int main(){ cin>>n; for(int i=0;i<n;i++){ for(int j=0;j<n ;j++){ cout<<"*"; } cout<<endl; } return 0; }