class Tournament:
    @staticmethod
    def select(pop, evaluated_pop, k):
        winners = []
        counter = 0
        i = 0

        for i in range(0, evaluated_pop.size - k, k):
            candidate_scores = evaluated_pop[i:i + k]
            index_best_candidate = np.argmax(candidate_scores)
            winners.append(pop[i + index_best_candidate])
        winners = np.array(winners)
        return winners


class BestSelection:
    @staticmethod
    def select(pop, evaluated_pop, k):
        winners = []
        indexes = evaluated_pop.argsort()[-k:]
        for i in range(k):
            winners.append(pop[indexes[i]])
        winners = np.array(winners)
        return winners