How to resolve the algorithm Generate lower case ASCII alphabet step by step in the C programming language

Published on 7 June 2024 03:52 AM
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How to resolve the algorithm Generate lower case ASCII alphabet step by step in the C programming language

Table of Contents

Problem Statement

Generate an array, list, lazy sequence, or even an indexable string of all the lower case ASCII characters, from a to z. If the standard library contains such a sequence, show how to access it, but don't fail to show how to generate a similar sequence. For this basic task use a reliable style of coding, a style fit for a very large program, and use strong typing if available. It's bug prone to enumerate all the lowercase characters manually in the code. During code review it's not immediate obvious to spot the bug in a Tcl line like this contained in a page of code:

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Generate lower case ASCII alphabet step by step in the C programming language

This code creates an array of 26 unsigned characters (bytes), and initialises each element with the corresponding lowercase letter of the alphabet.

The code first includes the standard library header file <stdlib.h>, which contains the EXIT_SUCCESS macro.

It then defines a constant, N, which is set to 26. This constant represents the number of elements in the array.

The main() function is the entry point of the program.

Inside the main() function, an array of unsigned characters named lower is declared. The size of the array is N.

A for loop is used to iterate over the elements of the array. For each element, the loop assigns the value of i + 'a' to the element. The value of i is the index of the element, and the value of 'a' is the ASCII code for the lowercase letter 'a'.

After the loop has finished, the array lower contains the lowercase letters of the alphabet.

The main() function returns EXIT_SUCCESS to indicate that the program has terminated successfully.

Source code in the c programming language

#include <stdlib.h>

#define N 26

int main() {
    unsigned char lower[N];

    for (size_t i = 0; i < N; i++) {
        lower[i] = i + 'a';
    }

    return EXIT_SUCCESS;
}


  

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