653. Two Sum IV – Input is a BST-两数之和 IV – 输入 BST
Given the root of a Binary Search Tree and a target num... » 阅读全文
645. Set Mismatch-错误的集合
You have a set of integers s, which originally contains... » 阅读全文
628. Maximum Product of Three Numbers-三个数的最大乘积
Given an integer array nums, find three numbers whose p... » 阅读全文
617. Merge Two Binary Trees-合并二叉树
Given two binary trees and imagine that when you put on... » 阅读全文
606. Construct String from Binary Tree-根据二叉树创建字符串
You need to construct a string consists of parenthesis ... » 阅读全文
599. Minimum Index Sum of Two Lists-两个列表的最小索引总和
Suppose Andy and Doris want to choose a restaurant for ... » 阅读全文
590. N-ary Tree Postorder Traversal-N叉树的后序遍历
Given an n-ary tree, return the postorder traversal of ... » 阅读全文
589. N-ary Tree Preorder Traversal-
Given an n-ary tree, return the preorder traversal of i... » 阅读全文
575. Distribute Candies-
Alice has n candies, where the i^{th} candy is of type ... » 阅读全文
566. Reshape the Matrix-重塑矩阵
In MATLAB, there is a very useful function called ̵... » 阅读全文