`P060.c`¶

Problem Statement

write a C program to count the occurrences of a given element in an array using a user-defined function. Create a function int count_occurrences(int arr[], int n, int target) that countts how many times target appears in the array.

Metadata¶

Property	Detail
Author	Amit Dutta amitdutta4255@gmail.com
Date	13 Dec 2025
License	MIT License (See the LICENSE file for details)
Difficulty	Beginner (index: 3 / 10)

Concepts¶

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Recursion
Array
Sorting (possible)
Iteration

Actions¶

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Source Code¶

#include <stdio.h>

int count_occurrences(int[], int, int);
void inputarr(int[], int);

int main()
{
    int n, arr[20], target, found;
    printf("Enter the n (Max: 20): ");
    scanf("%d", &n);
    inputarr(arr, n);
    printf("Enter the target: ");
    scanf("%d", &target);
    found = count_occurrences(arr, n, target);
    if (found)
    {
        printf("\n%d found %d times.", target, found);
    }
    else
    {
        printf("\n%d is not found.", target);
    }
    return 0;
}

void inputarr(int arr[], int n)
{
    int i;
    for (i = 0; i < n; i++)
    {
        printf("Enter element %d: ", i + 1);
        scanf("%d", &arr[i]);
    }
}

int count_occurrences(int arr[], int n, int target)
{
    int count = 0;
    int i;
    for (i = 0; i < n; i++)
    {
        if (arr[i] == target)
        {
            count++;
        }
    }
    return count;
}

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 (P060.c):

    #include <stdio.h>

    int count_occurrences(int[], int, int);
    void inputarr(int[], int);

    int main()
    {
        int n, arr[20], target, found;
        printf("Enter the n (Max: 20): ");
        scanf("%d", &n);
        inputarr(arr, n);
        printf("Enter the target: ");
        scanf("%d", &target);
        found = count_occurrences(arr, n, target);
        if (found)
        {
            printf("\n%d found %d times.", target, found);
        }
        else
        {
            printf("\n%d is not found.", target);
        }
        return 0;
    }

    void inputarr(int arr[], int n)
    {
        int i;
        for (i = 0; i < n; i++)
        {
            printf("Enter element %d: ", i + 1);
            scanf("%d", &arr[i]);
        }
    }

    int count_occurrences(int arr[], int n, int target)
    {
        int count = 0;
        int i;
        for (i = 0; i < n; i++)
        {
            if (arr[i] == target)
            {
                count++;
            }
        }
        return count;
    }

P060.c¶