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APC-SPS-008.c

Problem Statement

WAP to calculate area of circle by accepting radius as input

Metadata

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

Concepts

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  • Recursion
  • Pointers

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Source Code

#include<stdio.h>
#include<math.h>
int main() {
    double r, area;
    printf("Enter the radius of circle : ");
    scanf("%lf", &r);
    area = M_PI * r * r;
    printf("\nArea : %lf", area);
    return 0;
}

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 (APC-SPS-008.c):

    #include<stdio.h>
    #include<math.h>
    int main() {
        double r, area;
        printf("Enter the radius of circle : ");
        scanf("%lf", &r);
        area = M_PI * r * r;
        printf("\nArea : %lf", area);
        return 0;
    }