// Uses nested for loops for print a triangle of *'s to the screen.

#include <iostream.h>

void main() {

  int i, j, n;

  cout << "Enter a positive integer: ";
  cin >> n;

  for (i=1; i <= n; i++) {
    for (j=1; j <= i; j++) cout << "*";
    cout << endl;
  }
}