CS番茄

解法1# Definition for singly-linked list.# class ListNode(object):# def __init__(self, x):# self.val = x# self.next = None"""首刷O(n)时间复杂度顺序不能变分开2条链难点：停止条件是什么？"""class...

蓄水池算法# Definition for singly-linked list.# class ListNode(object):# def __init__(self, x):# self.val = x# self.next = Noneclass Solution(object): def __init__(self, h...