C Program to Count Occurrences of an Element in an Array

C Program to Count Occurrences of an Element in an Array

C program to count occurrences of an element in an array; Through this tutorial, we will learn how to count occurrences of an element in an array in c programs.

C Program to Count Occurrences of an Element in an Array

/* C program to find occurrence of an element 
in one dimensional array.
*/

#include <stdio.h>
#define MAX 100

int main()
{
    int arr[MAX], n, i;
    int num, count;

    printf("Enter total number of elements: ");
    scanf("%d", &n);

    //read array elements
    printf("Enter array elements:\n");
    for (i = 0; i < n; i++) {
        printf("Enter element %d: ", i + 1);
        scanf("%d", &arr[i]);
    }

    printf("Enter number to find Occurrence: ");
    scanf("%d", &num);

    //count occurance of num
    count = 0;
    for (i = 0; i < n; i++) {
        if (arr[i] == num)
            count++;
    }
    printf("Occurrence of %d is: %d\n", num, count);
    return 0;
}

The output of the above c program; as follows:

Enter total number of elements: 5
Enter array elements:
Enter element 1: 5
Enter element 2: 2
Enter element 3: 5
Enter element 4: 9
Enter element 5: 4
Enter number to find Occurrence: 5
Occurrence of 5 is: 2

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