Example: Hollow Rectangle Pattern in C++

C
C++
C#
Java
Python
PHP
// Hollow Rectangle Pattern
#include <iostream>
using namespace std;

int main() {
    int rows = 5;
    int cols = 6;

    // Outer loop for rows
    for (int i = 1; i <= rows; ++i) { // Start from 1 for easier condition checks
        // Inner loop for columns
        for (int j = 1; j <= cols; ++j) {
            // Print '*' for the first row, last row, first column, or last column
            if (i == 1 || i == rows || j == 1 || j == cols) {
                cout << "*";
            } else {
                cout << " "; // Print space for the interior
            }
        }
        cout << endl; // Move to the next line after each row
    }

    return 0;
}