摘要: stra = input("")x = 0z = 0y = 0for i in stra: if i == '(': x = x + 1 elif i == ')': if x >= 0: x = x - 1 else : print("配对不成功")if x != 0: print("配对不成功" 阅读全文
posted @ 2021-09-17 19:15 罗逸凡 阅读(41) 评论(0) 推荐(0)