View Code of Problem 125

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


int main() {
	int n;
	cin >> n;
	for (int i = 0; i < 2*n + 3; i++) {
		for (int j = 0; j <  n + 2; j++) {
			if (i == 0 || i == n + 1||i==2*n+2) {
				if (j == 0 || j == n + 1) {
					cout << " ";
				}
				else {
					cout << "-";
				}
			}
			else {
				if (j == 0 || j == n + 1) {
					cout << "|";
				}
				else {
					cout << " ";
				}
			}
			
		}
		cout << endl;
	}

	return 0;
}