1 def count_max_topics(konw_topics): 2     max_topics = 0 3     max_teams = 0 4     for i, person1 in enumerate(konw_topics): # enumer的用法學習 5         for j, person2 in enumerate(konw_topics[i+1:]): 6             bin1 = int(person1, 2) # 二進制的轉換 7             bin2 = int(person2, 2) 8             topics = bin(bin1 | bin2).count('1') 9 10             if topics > max_topics: # 找最大值的一個通用思路11                 max_topics = topics12                 max_teams = 113             elif topics == max_topics:14                 max_teams += 115 16     PRint max_topics17     print max_teams18 19 def main():20     n, m = map(int, raw_input().strip().split(' ')) #雙位輸入的模板21     konw_topics = [] # 用list合適22     for _ in range(n):23         konw_topics.append(raw_input().strip())24 25     count_max_topics(konw_topics) # func設置分散，這樣更易讀和理解26 27 28 main()