Thread: [Help] loop problem

hello guys i'm new how you see
i have problem with my code
what i need to do is this
if i input letter 'g'

a
ccc
eeeee
ggggggg

it need to be all letters a,c,e,g,j jumping by 2
and my pyramid

Code:

#include <stdio.h>


void main() {
    char letter;
    int row;
    int spaces;
    int i;
    int j ;
    int k ;
    printf("Please enter a letter:\n");
    scanf("%c", &letter);
    if ((letter < 'a' && letter < 'z') && (letter% 2 == 1)) {
        printf("Invalid Input\n");
    }
    else
    for (row = 'a'; row <= letter; row ++) {
        for (spaces = letter; spaces > row; spaces--) // making space between letters
            printf(" ");
    }
    for (k = 0; k < 2 * (i = 0); k++) {
        printf("%c", letter);
        }
    letter = letter + 2;
    printf("\n");
}

i get into infinty loop every time


tnx for help

Yikes. Pass.

What an absolute mess. About the only correct statements are the declarations.

main returns an int always, never void.

In the first if statement, if letter < 'a' it will always also be < 'z'.
In the second for statement you set k to zero, and have a loop end condition of k < 0. This will either occur on the 128th iteration of the loop if char is signed or never if char is unsigned. You can't be sure because the C standard never mandates if a plain char is signed or unsigned, that's a detail for the compiler author to decide.

How I can fix that what first I should do

But how I fix my loops?

And when I input letter 'y'

like that >:
i try to make it all day and it's work