Print the following three lines on the console:

*
***
*****

void print_line(int N) {
  for (int i = 0; i < N; i++) {
    putchar('*');
  }
  putchar('n');
}

int main(int argc, char * argv[]) {
  for (int i = 1; i <=3; i++) {
    print_line(2 * i - 1);
  }
  return 0;
}

printf("*n");
printf("***n");
printf("*****n");