#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {
    int row, col;
    
    for (row = 0; row < 10; row++) {
        for (col = 0; col < row; col++) {
            printf("*");
        }
        printf("\n");
    }
    
    return 0;
}


*
**
***
****
*****
******
*******
********
*********