View Code of Problem 125

 #include<bits/stdc++.h>
using namespace std;

int main(){
	int n,i;
	cin>>n;
	for(i=1;i<=2*n+3;i++){
		if(i==1||i==n+2||i==2*n+3){
			printf(" ");
			for(int i=1;i<=n;i++){
				printf("-");
			}
			if(i!=2*n+3) printf(" \n");
		}else{
			printf("|");
			for(int i=1;i<=n;i++){
				printf(" ");
			}
			printf("|\n");
		}
	}
}