C Program to display half-pyramid using alphabets


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Problem

Write a program in C to print half-pyramid using alphabets as shown below.The program should take the number of rows as input.

A
B B
C C C
D D D D


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How to create and display half-pyramid pattern in C using alphabets ?

#include <stdio.h>
int main()
{
    int index1, index2,input;
    char alphabet = 'A';
    printf("Abundantcode.com Coding samples\n");
    printf("Enter the limit : ");
    scanf("%d",&input);

    for(index1=1; index1 <= input; ++index1)
    {
        for(index2=1;index2<=index1;++index2)
        {
            printf("%c", alphabet);
        }
        ++alphabet;

        printf("\n");
    }
    return 0;
}

Output

Abundantcode.com Coding samples

Enter the limit : 4

A

BB

CCC

DDDD

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