Solution.c

#include <stdio.h>

int findMajorityElement(int arr[], int n) {
    int count = 0, candidate = -1;

    // Finding candidate
    for (int i = 0; i < n; i++) {
        if (count == 0) {
            candidate = arr[i];
            count = 1;
        } else if (arr[i] == candidate) {
            count++;
        } else {
            count--;
        }
    }

    // Verifying candidate
    count = 0;
    for (int i = 0; i < n; i++) {
        if (arr[i] == candidate)
            count++;
    }
    return (count > n / 2) ? candidate : -1;
}

int main() {
    int n;
    printf("Enter the size of the array: ");
    scanf("%d", &n);

    int arr[n];
    printf("Enter %d elements of the array: ", n);
    for (int i = 0; i < n; i++) {
        scanf("%d", &arr[i]);
    }

    int result = findMajorityElement(arr, n);
    if (result != -1)
        printf("The majority element is: %d\n", result);
    else
        printf("No majority element found.\n");

    return 0;
}