#include <stdio.h>

int main(void) {
	int n = 5; 
	for (int i = 1; i <= n; i++) {
		/* Centering whitespace offset */ 
		for (int s = 1; s <= n- i; s++) { 
			printf(" ");
		}
		/* Odd progression of asterisks: (2*i-1) */
		for (int j = 1; j <= (2 * i- 1); j++) { 
			printf("*");
		}
		printf("\n");
		}
	return 0;
}