Same Tree(100)

Same Tree Given two binary trees, write a function to check if they are equal orTwo binary trees are considered equal if they are structurallyand the nodes have the same value.思路： recursio

业界 2016年05月12日

[LeetCode] Remove LinkedList Elements

ProblemRemove all elements from a linked list of integers that have value val.ExampleGiven: 1 --> 2 --> 6 --> 3 --> 4 --> 5 --> 6, val = 6Return: 1 --> 2 --> 3 --> 4 --> 5Note链表基本的删除操作，最好掌

技术开发 2016年07月05日

246. 247. 248. Strobogrammatic Number I II II

246.Strobogrammatic NumberI题目：A strobogrammatic number is a number that looks the same when rotated 180 degrees (looked at upside down).Write a function to determine if a number is strobog

技术开发 2016年07月18日

306. Additive Number

题目：Additive number is a string whose digits can form additive sequence.A valid additive sequence should contain at least three numbers. Except for the first two numbers, each subsequent nu

技术开发 2016年07月26日

[LintCode/LeetCode] Subsets & Subsets II

SubsetsProblemGiven a set of distinct integers, return all possible subsets.NoticeElements in a subset must be in non-descending order.The solution set must not contain duplicate subsets.E

技术开发 2016年08月04日