leetcode-daily/2201/220116-CN.cpp

10 lines
462 B
C++

/**
* Refer: 220107.cpp
*
* 382. Linked List Random Node
* Given a singly linked list, return a random node's value from the linked list. Each node must have the same probability of being chosen.
* Implement the Solution class:
* Solution(ListNode head) Initializes the object with the integer array nums.
* int getRandom() Chooses a node randomly from the list and returns its value. All the nodes of the list should be equally likely to be choosen.
*/