14. Most Frequent Number C++

#include <iostream>
int main()
{
    using namespace std;

    int lenght;
    cin >> lenght;

    int frequency[10] {};
    for (int i = 0; i < lenght; ++i)
    {
        int n;
        cin >> n;
        frequency[n]++;
    }

    int max_frequency = 0;
    for (int i = 0; i < 10; ++i)
        if (max_frequency < frequency[i])
            max_frequency = frequency[i];

    for (int i = 0; i < 10; ++i)
        if (frequency[i] == max_frequency)
            cout << i << ' ';

    return 0;
}