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assignment-p-09.c

Problem Statement

Write a C program that includes a user-defined function named setBit with the signature int setBit(int num, int position);. The function should set the bit at the specified position (0-indexed) to 1 and return the modified number.

Metadata

Property Detail
Author Amit Dutta (amitdutta4255@gmail.com)
License MIT
Difficulty Beginner (index: 2 / 10)

Concepts

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  • Recursion

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Source Code

#include <stdio.h>

int setBit(int, int);

int main()
{
    int num, position;
    printf("Enter the number: ");
    scanf("%d", &num);
    printf("Enter the postion where you want to set the bit (0-indexed): ");
    scanf("%d", &position);
    printf("\nModified number= %d", setBit(num, position));
    return 0;
}

int setBit(int num, int position)
{
    int mask = 1 << position;
    return num | mask;
}

Explanation

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Copy the prompt below and paste it into any AI assistant.

    You are explaining a C programming code to a beginner.

    STRICT RULES:

    - Only use the given code. Do NOT assume anything not present.

    - Do NOT add extra examples.

    - Keep explanation clear and short.

    - If something is unclear, say "Not clear from code".

    - Follow the exact format below. Do NOT change headings.

    FORMAT:

    [START]

    ## What it does

    (Explain the overall purpose in 1-2 sentences)

    ## Step-by-step

    (Explain how the code works in steps, simple language)

    ## Key Concepts

    (List concepts like loop, condition, function, etc.)

    ## Notes

    (Mention any limitations, errors, or assumptions)

    [END]

    CODE (assignment-p-09.c):

    #include <stdio.h>

    int setBit(int, int);

    int main()
    {
        int num, position;
        printf("Enter the number: ");
        scanf("%d", &num);
        printf("Enter the postion where you want to set the bit (0-indexed): ");
        scanf("%d", &position);
        printf("\nModified number= %d", setBit(num, position));
        return 0;
    }

    int setBit(int num, int position)
    {
        int mask = 1 << position;
        return num | mask;
    }