sub 3 problema 3

#include <iostream>

using namespace std;

int main()
{
     int n;
    cin>>n;
    int v[n];
    for(int i = 0; i < n; i ++)
    {
        cin>>v[i];
    }
    for(int i = 0; i < n; i++)
    {
        int ok = 0;
        int cp = v[i];
        int  c = -1;
        while(cp)
        {
            if(c == -1)
            {
                if((cp % 10) % 2 == 0)
                {
                    c = cp % 10;
                    cp = cp / 10;
                }
                else
                {
                    cp = cp / 10;
                    continue;
                }
            }

            if(c != -1 && (cp % 10) % 2 == 0 &&cp % 10 != c)
            {
                ok = 1;
                break;
            }
            cp = cp / 10;
        }
        if(ok == 0 && c != -1)
            {
                cout<<v[i]<<endl;
            }

    }
}