View Code of Problem 125

#include <algorithm>
#include <cctype>
#include <cmath>
#include <cstdio>
#include <iostream>
#include <map>
#include <set>
#include <stack>
#include <string>
#include <vector>
using namespace std;

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