Example: C++ program to print half pyramid pattern of numbers

C
C++
C#
Java
Python
PHP

// C++ program to print half pyramid pattern of numbers
#include <iostream>
using namespace std;

int main() {
    int rows;

    cout << "Enter the number of rows: ";
    cin >> rows;

    if (rows > 0) {
        cout << endl;
        for (int i = 1; i <= rows; i++) {
            for (int j = 1; j <= i; j++) {
                cout << j << " ";
            }
            cout << endl;
        }
    }
    return 0;
}