ATM Pin Checker - Basic

#include <iostream>
using namespace std;

bool testPin(const int [], const int [], int);

int main()
{
    const int keylength = 6;
    int pin1[keylength] = {2, 4, 5, 6, 7, 8};
    int pin2[keylength] = {2, 4, 5, 6, 7, 9};
    int pin3[keylength] = {1, 3, 5, 8, 3, 4};

    if(testPin(pin1, pin2, keylength))
        cout << "Pin 1 and Pin 2 seem to be the same." << endl;
    else
        cout << "Pin 1 and Pin 2 are different." << endl;
    
    if (testPin(pin1, pin3, keylength))
        cout << "Pin 1 and Pin 3 seem to be the same." << endl;
    else
        cout << "Pin 1 and Pin 3 are different." << endl;

    if (testPin(pin1, pin1, keylength))
        cout << "Pin 1 and Pin 1 are the same." << endl;
    else
        cout << "Pin 1 and Pin 1 are different." << endl;

    return 0;
}

bool testPin(const int cuspin[], const int database[], int size)
{
    for(int index = 0; index < size; index++)
    {
        if (cuspin[index] != database[index])
            return false;
    }
    return true;
}