APC-PRAC-032.c

Problem Statement

APC-PRAC-032.c

Pattern: A B B C C C D D D D E E E E E

Source Code

#include<stdio.h> 
int main() {
	int n, i, j; char temp = 'A';
	printf("Enter the n : ");
	scanf("%d", &n);
	for(i = 1; i <= n; i++) {
		for(j = 1; j <= i; j++) {
			printf("%c\t", temp);
		}
		temp++;
		printf("\n");
	}
	return 0;
}

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● Author - Amit Dutta · Updated - 12 Dec 2025