// you can use includes, for example:
// #include <algorithm>

// you can write to stdout for debugging purposes, e.g.
// cout << "this is a debug message" << endl;
#include <vector>
int solution(vector<int> &A) {
    // write your code in C++14 (g++ 6.2.0)

    int temp=0, size=0, Size=0, i=0, j=0;
    Size = A.size();
    vector<int> a(Size);
    vector<int>::iterator iter;


    // cout << "temp: ";
    for(i=0; i<Size; i++){
        temp = A[i];
        size = a.size();
        cout << "temp1: " << temp << " size: " << size << endl;
        for(j=0; j<size; j++){
            if(a[j] != temp){
                cout << "j = " << j << endl;
                a[j] = temp;
                cout << "a.at(" << j << "): " << a.at(j) << endl;
            }
        }
    }

    return a.size();

}