10.1https://zhanghuimeng.github.io/post/leetcode-382-linked-list-random-node/ 10.2https://gregable.com/2007/10/reservoir-sampling.html 10.3https://leetcode.com/problems/linked-list-random-node/discuss/85659/Brief-explanation-for-Reservoir-Sampling...
https://github.com/grandyang/leetcode/issues/382 类似题目: Random Pick Index 参考资料: https://leetcode.com/problems/linked-list-random-node/ https://leetcode.com/problems/linked-list-random-node/discuss/85662/Java-Solution-with-cases-explain https://leetcode.com/problems/linked-list-random-no...
// 初始化一个单链表 [1,2,3].ListNode head = new ListNode(1);head.next = new ListNode(2);head.next.next = new ListNode(3);Solution solution = new Solution(head);// getRandom()方法应随机返回1,2,3中的一个,保证每个元素被返回的概率相等。solution.getRandom();来源:力扣(LeetCode)链接:...
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. Follow up: What if the linked list is extremely large and its length is unknown to you? Could you solve this efficiently without using extra space? Ex...
linked-list-random-node https://leetcode.com/problems/linked-list-random-node/ // Using Reservoir sampling algorithm // https://discuss.leetcode.com/topic/53812/using-reservoir-sampling-o-1-space-o-n-time-complexity-c/2 /** * Definition for singly-linked list....
Top 15 Linked List Interview Questions and Solutions前15 名链表面试问题及解决方案 Without any further ado, here is a list of Leetcode problems you can solve to get better at linked list:闲话少说,这里列出了您可以解决的 Leetcode 问题,以便更好地使用链表: Reverse Linked List 反向链表Description:...
0380-Insert-Delete-GetRandom-O(1) 0381-Insert-Delete-GetRandom-O(1)-Duplicates-allowed 0382-Linked-List-Random-Node/cpp-0382 CMakeLists.txt main.cpp main2.cpp 0384-Shuffle-an-Array 0386-Lexicographical-Numbers 0387-First-Unique-Character-in-a-String 0388-Longest-Absolute-File-Path 0389-Find...
A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null. Return a deep copy of the list. 题目本身不难,但是做了几遍才做对。注意已经处理过的点(map contains)不要再往queue里加了。 1 2 3 4 5 6 7 8 9 10 11...
0382 Linked List Random.md Node.md 0445 Add Two Numbers II.md math prefix sum queue & stack sort string tree two pointers README.md empty.cpp https://leetcode-cn.com/problems/reorder-list/ You are given the head of a singly linked-list. The list can be represented as: ...
LeetCode 382. Linked List Random Node 2019-12-11 09:45 −原题链接在这里:https://leetcode.com/problems/linked-list-random-node/ 题目: Given a singly linked list, return a random node's value from the linked list. Each... Dylan_Java_NYC ...