对了一半
def L(list1): l_value = 0 for i in range(len(list1)-1): l_value += abs((list1[i+1])**2-int(list1[i])**2) return l_value from itertools import combinations while True: try: n, m = map(int, input().split()) photos_values = list(map(int, input().split())) result = list(combinations(photos_values, m)) results_value_l = [] for i in result: sorted_ciombo = sorted(i) results_value_l.append(L(sorted_ciombo)) print(min(results_value_l)) except: break