”接头霸王“

来个不正经的题解

class Solution:
    # 返回 RandomListNode
    def Clone(self, pHead):
        # write code here
        if not pHead:
            return None
        node = RandomListNode(pHead.label)
        node1 = RandomListNode(None)
        node.next = pHead.next 
        node.random = pHead.random
        pHead.next = node1
        pHead.random = node1
        return node