Question

For C++ : find the largest repeating number in a vector.

Check : {3 , 4, 16, 2, 3, 16, 98, 4, 2,}

Answer 1

#include <iostream>
#include <vector>

using namespace std;

int main() {
    vector<int> vec = {3, 4, 16, 2, 3, 16, 98, 4, 2};
    int largest_repeating = 0, found = false;
    for (int i = 0; i < vec.size(); ++i) {
        for (int j = i+1; j < vec.size(); ++j) {
            if (vec[i] == vec[j]) {
                if (!found || vec[i] > largest_repeating) {
                    largest_repeating = vec[i];
                    found = true;
                }
            }
        }
    }
    if (found) {
        cout << largest_repeating << endl;
    } else {
        cout << "Numbers are not repeating" << endl;
    }
    return 0;
}