#include <stdio.h>
void drawShape(int row, int col);
int main()
{
    int row;
    printf("Enter # of rows\n");
    scanf("%d", &row);
    drawShape(row, row);
    return 0;
}
void drawShape(int row, int col) {
    for(int i = 0; i < row; i++) {
        for(int j = 0; j < col; j++) {
            if(i == j) {
                printf("*");
            } else {
                printf(" ");
            }
        }
        printf("\n");
    }
}