138. 复制带随机指针的链表

为保证权益，题目请参考 138. 复制带随机指针的链表(From LeetCode).

解决方案1

Python

# 138. 复制带随机指针的链表
# https://leetcode-cn.com/problems/copy-list-with-random-pointer/

# Definition for a Node.
class Node:
    def __init__(self, x: int, next: "Node" = None, random: "Node" = None):
        self.val = int(x)
        self.next = next
        self.random = random


class Solution:
    def copyRandomList(self, head: "Node") -> "Node":
        pass


if __name__ == "__main__":
    solution = Solution()