141-环形链表(Linked List Cycle) 原文链接: https://leetcode-cn.com/problems/linked-list-cycle 英文原文Given head, the head of a linked list, determine if the l 2021-12-03 双指针哈希表链表 简单
142-环形链表 II(Linked List Cycle II) 原文链接: https://leetcode-cn.com/problems/linked-list-cycle-ii 英文原文Given the head of a linked list, return the node where 2021-12-03 双指针哈希表链表 中等
143-重排链表(Reorder List) 原文链接: https://leetcode-cn.com/problems/reorder-list 英文原文You are given the head of a singly linked-list. The list can b 2021-12-03 双指针栈递归链表 中等
144-二叉树的前序遍历(Binary Tree Preorder Traversal) 原文链接: https://leetcode-cn.com/problems/binary-tree-preorder-traversal 英文原文Given the root of a binary tree, return the 2021-12-03 二叉树栈树深度优先搜索 简单
145-二叉树的后序遍历(Binary Tree Postorder Traversal) 原文链接: https://leetcode-cn.com/problems/binary-tree-postorder-traversal 英文原文Given the root of a binary tree, retur 2021-12-03 二叉树栈树深度优先搜索 简单
146-LRU 缓存机制(LRU Cache) 原文链接: https://leetcode-cn.com/problems/lru-cache 英文原文Design a data structure that follows the constraints of a Least R 2021-12-03 双向链表哈希表设计链表 中等
147-对链表进行插入排序(Insertion Sort List) 原文链接: https://leetcode-cn.com/problems/insertion-sort-list 英文原文Given the head of a singly linked list, sort the list u 2021-12-03 排序链表 中等
149-直线上最多的点数(Max Points on a Line) 原文链接: https://leetcode-cn.com/problems/max-points-on-a-line 英文原文Given an array of points where points[i] = [xi, yi] re 2021-12-03 几何哈希表数学 困难
150-逆波兰表达式求值(Evaluate Reverse Polish Notation) 原文链接: https://leetcode-cn.com/problems/evaluate-reverse-polish-notation 英文原文Evaluate the value of an arithmetic expres 2021-12-03 数学数组栈 中等
151-翻转字符串里的单词(Reverse Words in a String) 原文链接: https://leetcode-cn.com/problems/reverse-words-in-a-string 英文原文Given an input string s, reverse the order of the 2021-12-03 双指针字符串 中等