Traffic load

#include <stdlib.h>
#include <iostream>

using namespace std;

int main()
{
    int cases;
    int point;
    double car = 0;
    while(cases != 0, cin >> cases)
    {
        for (int i=0; i<cases; i++)
        {
            int *right;
            int *left;
            cin >> point;
            left = new int[point];
            right = new int[point];
            for (int j=0; j<point; j++) cin >> left[j];
            for (int j=0; j<point; j++) cin >> right[j];

            for (int j=0; j<point; j++) {
                for (int k=0; k<point; k++){
                    int aux = left[j]+1000;
            if (aux == right[k])
                       car += 0.5;
            }
        }
            cout << car << endl;
            car = 0;
            delete left;
            delete right;
        }
    }
}