Help me in solving CPPFALL221 problem

help
,
1

My issue

check error resolve it

My code

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

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

Learning course: Learn Programming and Problem Solving using C++
Problem Link: https://www.codechef.com/learn/course/sit-cpp-fall/SITFALL37/problems/CPPFALL221