//2ב

using System;

public static string[] legalCities(CameraInfo[] cameras) {

    string[] result = new string[cameras.Length];

    int count = 0;

    for (int i = 0; i < cameras.Length; i++) {

        bool foundIllegal = false;

        CarInfo[] cars = cameras[i].GetCars();

        for (int j = 0; j < cars.Length; j++) {

            if (cars[j] != null) {

                bool isIllegal;

                cars[j].CheckIllegal(cameras[i].GetMaxSpeed(), out isIllegal);

                if (isIllegal) {

                    foundIllegal = true;

                }

            }

        }

        if (!foundIllegal) {

            result[count] = cameras[i].GetCity();

            count++;

        }

    }

    string[] cities = new string[count];

    for (int i = 0; i < count; i++) {

        cities[i] = result[i];

    }

    return cities;