dottedFrame.cpp

#include <iostream>

using namespace std;

int main() {
    cout << "Enter the lentgh of the box: " << endl;
    int boxSize = 0;
    cin >> boxSize;

    for (int row = 0; row < boxSize; row++) {
        for (int col = 0; col < boxSize; col++) {
            if (row == 0 or row == boxSize - 1) {
                cout << "*";
            } else {
                if (col == 0 or col == boxSize - 1) {
                    cout << "*";
                } else {
                    cout << " ";
                }
            }
        }
        cout << endl;
    }
    
}