#include <iostream.h>

void row_of_stars(int);

void main() {

  int i, n;

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

  for (i=1; i <= n; i++)  row_of_stars(i);
}

// this function prints out k stars and goes to the next line

void row_of_stars(int k) {
  int j;
  for (j=1; j <= k; j++)
    cout << "*";
  cout << endl;
}