#include <iostream>     // cout

#include <algorithm>    // count

#include <vector>       // vector

using namespace std;

int main () {

    // counting elements in array:

    int myints[] = {,,,,,,,};   // 8 elements

    int mycount = count(myints, myints+, );

    cout << "10 appears " << mycount << " times.\n";

    // counting elements in container:

    vector<int> myvector (myints, myints+);

    mycount = count(myvector.begin()+, myvector.end(), );

    cout << "20 appears " << mycount  << " times.\n";

    return ;

}