code:-
#include <stdio.h>int main() {int n, i, j;char p;printf("Enter the character: ");scanf(" %c", &p);printf("Enter any number: ");scanf("%d", &n);for (i = 1; i <= n; i++) {for (j = 1; j <= i; j++){printf("%c", p);}printf("\n");}return 0;}
output:-
Enter the character: *Enter any number: 13*******************************************************************************************