888-公平的糖果交换(Fair Candy Swap) 原文链接: https://leetcode-cn.com/problems/fair-candy-swap 英文原文Alice and Bob have a different total number of candies. You 2021-12-03 二分查找哈希表排序数组 简单
889-根据前序和后序遍历构造二叉树(Construct Binary Tree from Preorder and Postorder Traversal) 原文链接: https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-postorder-traversal 英文原文Given two integ 2021-12-03 二叉树分治哈希表数组树 中等
890-查找和替换模式(Find and Replace Pattern) 原文链接: https://leetcode-cn.com/problems/find-and-replace-pattern 英文原文Given a list of strings words and a string pattern 2021-12-03 哈希表字符串数组 中等
891-子序列宽度之和(Sum of Subsequence Widths) 原文链接: https://leetcode-cn.com/problems/sum-of-subsequence-widths 英文原文The width of a sequence is the difference between 2021-12-03 排序数学数组 困难
893-特殊等价字符串组(Groups of Special-Equivalent Strings) 原文链接: https://leetcode-cn.com/problems/groups-of-special-equivalent-strings 英文原文You are given an array of strings of t 2021-12-03 哈希表字符串数组 中等
892-三维形体的表面积(Surface Area of 3D Shapes) 原文链接: https://leetcode-cn.com/problems/surface-area-of-3d-shapes 英文原文You are given an n x n grid where you have placed 2021-12-03 几何数学数组矩阵 简单
895-最大频率栈(Maximum Frequency Stack) 原文链接: https://leetcode-cn.com/problems/maximum-frequency-stack 英文原文Design a stack-like data structure to push elements 2021-12-03 哈希表有序集合栈设计 困难
894-所有可能的满二叉树(All Possible Full Binary Trees) 原文链接: https://leetcode-cn.com/problems/all-possible-full-binary-trees 英文原文Given an integer n, return a list of all pos 2021-12-03 二叉树动态规划树记忆化搜索递归 中等
898-子数组按位或操作(Bitwise ORs of Subarrays) 原文链接: https://leetcode-cn.com/problems/bitwise-ors-of-subarrays 英文原文We have an array arr of non-negative integers. Fo 2021-12-03 位运算动态规划数组 中等
897-递增顺序搜索树(Increasing Order Search Tree) 原文链接: https://leetcode-cn.com/problems/increasing-order-search-tree 英文原文Given the root of a binary search tree, rearra 2021-12-03 二叉搜索树二叉树栈树深度优先搜索 简单