/**********************************************************
 * C Program to print Half Pyramid pattern using alphabets
 **********************************************************/

#include<stdio.h> // include stdio.h

int main() 
{
    int n, ch = 'A';

    printf("Enter number of lines: \n");
    scanf("%d", &n);

    printf("\n");

    // loop for line number of lines
    for(int i = 1; i <= n; i++)
    {        
        // loop to print alphabets
        for(int j = 1; j <= i; j++)
        {
            printf(" %c", ch);
        }

        ch++;

        printf("\n");
    }

    return 0;
}