提交时间:2024-02-23 09:32:38

运行 ID: 41706

#include<iostream> using namespace std; int main(){ intn; cin>>n; for(int i=1;i<=n;i++){ cout<<"*"; } cout<<endl; for(int i=2;i<=n-i;i++){ for(int j=1;j<=n-1;j++){ cout<<" "; } cout<<"*"; cout<<endl; } for(int i=1;i<=n;i++){ cout<<"*"; } return 0; }