`luc009.c`¶

Problem Statement

Two numbers are input through the keyboard into two locations C and D. Write a program to interchange the contents of C and D.

Metadata¶

Property	Detail
Author	Amit Dutta (amitdutta4255@gmail.com)
License	MIT
Difficulty	Beginner (index: 1 / 10)

Concepts¶

Beta Feature

This concept detection system is still in beta and may occasionally show incorrect or incomplete results.

Recursion

Actions¶

Raw View on GitHub

You can print or save this file by opening Raw and using your browser.

Source Code¶

#include <stdio.h>
int main()
{
    double a, b;
    printf("Enter the two number A and B : ");
    scanf("%lf %lf", &a, &b);
    printf("\nBefore Interchange : ");
    printf("\nA = %g (Memory location = %p)", a, &a);
    printf("\nB = %g (Memory location = %p)", b, &b);
    a = a + b;
    b = a - b;
    a = a - b;
    printf("\nAfter Interchange :");
    printf("\nA = %g (Memory location = %p)", a, &a);
    printf("\nB = %g (Memory location = %p)", b, &b);
    return 0;
}

Explanation¶

Explain with AI

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 (luc009.c):

    #include <stdio.h>
    int main()
    {
        double a, b;
        printf("Enter the two number A and B : ");
        scanf("%lf %lf", &a, &b);
        printf("\nBefore Interchange : ");
        printf("\nA = %g (Memory location = %p)", a, &a);
        printf("\nB = %g (Memory location = %p)", b, &b);
        a = a + b;
        b = a - b;
        a = a - b;
        printf("\nAfter Interchange :");
        printf("\nA = %g (Memory location = %p)", a, &a);
        printf("\nB = %g (Memory location = %p)", b, &b);
        return 0;
    }

luc009.c¶