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Create a list of integers from user input. Write the C program to find the element that occurs with the highest frequency and also find the second-highest number in the given elements.Sample Input:

Question

Create a list of integers from user input. Write the C program to find the element that occurs with the highest frequency and also find the second-highest number in the given elements.Sample Input:

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Solution

Sure, here is a simple C program that does what you asked for:

#include <stdio.h>

#define SIZE 100

int main() {
    int arr[SIZE], freq[SIZE];
    int size, i, j, count;

    printf("Enter size of array: ");
    scanf("%d", &size);

    printf("Enter elements in array: ");
    for(i=0; i<size; i++) {
        scanf("%d", &arr[i]);
        freq[i] = -1;
    }

    for(i=0; i<size; i++) {
        count = 1;
        for(j=i+1; j<size; j++) {
            if(arr[i]==arr[j]) {
                count++;
                freq[j] = 0;
            }
        }

        if(freq[i] != 0) {
            freq[i] = count;
        }
    }

    int max = freq[0];
    int num = arr[0];
    for(i=0; i<size; i++) {
        if(freq[i] > max) {
            max = freq[i];
            num = arr[i];
        }
    }

    printf("The number with highest frequency is %d and it occurs %d times\n", num, max);

    int second_max = arr[0];
    for(i=0; i<size; i++) {
        if(arr[i] > second_max && arr[i] < num) {
            second_max = arr[i];
        }
    }

    printf("The second highest number is %d\n", second_max);

    return 0;
}

This program first reads the size of the array and the elements from the user. It then calculates the frequency of each element and stores it in a separate array. The element with the highest frequency is then found and printed. The second highest number is also found and printed.

This problem has been solved

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