`P059.c`¶

Problem Statement

Write a program to find the sum of array elements using following fuctions int array_sum(int a[], int n); void get_data(int a[], int n); void dispaly(int a[], int n);

Metadata¶

Property	Detail
Author	Amit Dutta amitdutta4255@gmail.com
Date	12 Dec 2025
License	MIT License (See the LICENSE file for details)
Difficulty	Beginner (index: 2 / 10)

Concepts¶

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Recursion
Array
Sorting (possible)
Iteration

Actions¶

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Source Code¶

#include <stdio.h>

int array_sum(int[], int);
void get_data(int[], int);
void display(int[], int);

int main()
{
    int size, arr[20];
    printf("How many element do you want to add (Max: 20): ");
    scanf("%d", &size);
    if (size < 1 && size > 20)
    {
        printf("\nMax Element count is 20.");
        return 1;
    }
    get_data(arr, size);
    display(arr, size);
    printf("\nSum of the elements is: %d", array_sum(arr, size));
    return 0;
}

void get_data(int a[], int n)
{
    int i;
    for (i = 0; i < n; i++)
    {
        printf("Enter element for position %d: ", i);
        scanf("%d", &a[i]);
    }
}

void display(int a[], int n)
{
    int i;
    printf("\nArray: [");
    for (i = 0; i < n; i++)
    {
        printf("%d", a[i]);
        if (i != n - 1)
            printf(", ");
    }
    printf("]\n");
}

int array_sum(int a[], int n)
{
    int i, sum = 0;
    for (i = 0; i < n; i++)
        sum += a[i];
    return sum;
}

Explanation¶

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    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 (P059.c):

    #include <stdio.h>

    int array_sum(int[], int);
    void get_data(int[], int);
    void display(int[], int);

    int main()
    {
        int size, arr[20];
        printf("How many element do you want to add (Max: 20): ");
        scanf("%d", &size);
        if (size < 1 && size > 20)
        {
            printf("\nMax Element count is 20.");
            return 1;
        }
        get_data(arr, size);
        display(arr, size);
        printf("\nSum of the elements is: %d", array_sum(arr, size));
        return 0;
    }

    void get_data(int a[], int n)
    {
        int i;
        for (i = 0; i < n; i++)
        {
            printf("Enter element for position %d: ", i);
            scanf("%d", &a[i]);
        }
    }

    void display(int a[], int n)
    {
        int i;
        printf("\nArray: [");
        for (i = 0; i < n; i++)
        {
            printf("%d", a[i]);
            if (i != n - 1)
                printf(", ");
        }
        printf("]\n");
    }

    int array_sum(int a[], int n)
    {
        int i, sum = 0;
        for (i = 0; i < n; i++)
            sum += a[i];
        return sum;
    }

P059.c¶