#Minimum Cover








# Example usage:



if __name__ == '__main__':
    def minimum_cover(universe, sets):
        covered_elements = set()
        minimum_cover = []
        while len(covered_elements) < len(universe):
            max_covered_count = 0
            max_covered_set = None
            for set_ in sets:
                covered_count = len(set_.intersection(universe - covered_elements))
                if covered_count > max_covered_count:
                    max_covered_count = covered_count
                    max_covered_set = set_
            if max_covered_set is None:
                break
            minimum_cover.append(max_covered_set)
            covered_elements.update(max_covered_set)
        return minimum_cover
    universe = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
    sets = [
        {1, 2, 3, 4},
        {3, 4, 5, 6},
        {5, 6, 7, 8},
        {7, 8, 9, 10}
    ]
    cover = minimum_cover(universe, sets)
    print("Minimum Cover:")
    for set_ in cover:
        print(set_)
