sunshisonghit

摘要： Compare Version Numbers问题：Compare two version numbersversion1andversion2.Ifversion1>version2return 1, ifversion1 two) return 1; if(one v2.... 阅读全文

摘要： Excel Sheet Column Title问题：Given a positive integer, return its corresponding column title as appear in an Excel sheet.思路： 进制访问问题我的代码：public class So... 阅读全文

摘要： Binary Tree Zigzag Level Order Traversal问题：Given a binary tree, return thezigzag level ordertraversal of its nodes' values. (ie, from left to right, t... 阅读全文

摘要： Minimum Depth of Binary Tree问题：Given a binary tree, find its minimum depth.The minimum depth is the number of nodes along the shortest path from the r... 阅读全文

摘要： Pow(x, n)问题： Implement pow(x,n).思路： 分治法我的代码:public class Solution { public double pow(double x, int n) { return n >= 0 ? helper(x,n) : 1/h... 阅读全文

摘要： Reverse Bits问题：Reverse bits of a given 32 bits unsigned integer.For example, given input 43261596 (represented in binary as000000101001010000011110100... 阅读全文

摘要： Jump Game问题：Given an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents... 阅读全文

摘要： Valid Palindrome问题：Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.思路： 简单的数学推导我的代码:publi... 阅读全文

摘要： Reverse Linked List II问题：Reverse a linked list from positionmton. Do it in-place and in one-pass.思路： 三行情书，用的飞起我的代码：public class Solution { public ... 阅读全文

摘要： Insertion Sort List问题：Sort a linked list using insertion sort.思路： 三行情书 旧旧 新 旧 旧 新我的代码：/** * Definition for singly-linked list. * public class ListNod... 阅读全文

摘要： Palindrome Partitioning问题：Given a strings, partitionssuch that every substring of the partition is a palindrome.Return all possible palindrome partiti... 阅读全文

摘要： Construct Binary Tree from Preorder and Inorder Traversal问题：Given preorder and inorder traversal of a tree, construct the binary tree.Note:You may ass... 阅读全文