Half pyramid

• Problem Description

  
  Sam had a program for a full pyramid. But he didnt know that how to print half pyramid by using alphabets. So help him to write a program to print half pyramid using alphabets using increment operator
  

• Test Case 1

  
  Input (stdin)

  G
  
  

  Expected Output

  A
  
  BB
  
  CCC
  
  DDDD
  
  EEEEE
  
  FFFFFF
  
  GGGGGGG

• Test Case 2

  
  Input (stdin)

  B
  
  

  Expected Output

  A
  
  BB

Solution

#include <stdio.h>

int main()

{

    int i, j;

    char input, alphabet = 'A';

  scanf("%c",&input);

    for(i=1; i <= (input-'A'+1); ++i)

    {

        for(j=1;j<=i;++j)

        {

            printf("%c", alphabet);

        }

        ++alphabet;

        printf("\n");

    }

    return 0;

}