chishan7089-优快云博客

转载 264. Ugly Number II

264. Ugly Number II Write a program to find then-th ugly number. Ugly numbers are positive numbers whose prime factors only include2, 3, 5. Fo...

2016-10-17 14:43:00 169

转载 263. Ugly Number

263. Ugly Number Write a program to check whether a given number is an ugly number. Ugly numbers are positive numbers whose prime factors only i...

2016-10-17 14:32:00 153

转载 202. Happy Number

202. Happy Number Write an algorithm to determine if a number is "happy". A happy number is a number defined by the following process: Starting ...

2016-10-17 14:21:00 159

转载 326. Power of Three

326. Power of Three Given an integer, write a function to determine if it is a power of three. Follow up: Could you do it without using any loop...

2016-10-17 13:26:00 127

转载 206. Reverse Linked List

206. Reverse Linked List Reverse a singly linked list. /** * Definition for singly-linked list. * public class ListNode { * int val; * ...

2016-10-17 13:05:00 112

转载 405. Convert a Number to Hexadecimal

405. Convert a Number to Hexadecimal Given an integer, write an algorithm to convert it to hexadecimal. For negative integer,two’s complementme...

2016-10-17 12:42:00 173

转载 219. Contains Duplicate II

219. Contains Duplicate II Given an array of integers and an integerk, find out whether there are two distinct indicesiandjin the array such...

2016-10-16 23:16:00 102

转载 217. Contains Duplicate

217. Contains Duplicate Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appe...

2016-10-16 19:15:00 102

转载 169. Majority Element

169. Majority Element Given an array of sizen, find the majority element. The majority element is the element that appearsmore than⌊ n/2 ⌋tim...

2016-10-16 18:56:00 102

转载 137. Single Number II

137. Single Number II Given an array of integers, every element appearsthreetimes except for one. Find that single one. Note: Your algorithm s...

2016-10-16 18:13:00 119

转载 260. Single Number III

260. Single Number III Given an array of numbersnums, in which exactly two elements appear only once and all the other elements appear exactly t...

2016-10-16 18:03:00 94

转载 136. Single Number

136. Single Number Given an array of integers, every element appearstwiceexcept for one. Find that single one. Note: Your algorithm should hav...

2016-10-16 17:17:00 86

转载 387. First Unique Character in a String

387. First Unique Character in a String Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, ...

2016-10-16 17:09:00 100

转载 242. Valid Anagram

242. Valid Anagram Given two stringssandt, write a function to determine iftis an anagram ofs. For example, s= "anagram",t= "nagaram", ...

2016-10-16 17:01:00 95

转载 412. Fizz Buzz

412. Fizz Buzz Write a program that outputs the string representation of numbers from 1 ton. But for multiples of three it should output “Fizz”...

2016-10-16 16:46:00 232

转载 66. Plus One

66. Plus One Given a non-negative number represented as an array of digits, plus one to the number. The digits are stored such that the most sig...

2016-10-16 16:30:00 108

转载 20. Valid Parentheses

20. Valid Parentheses Difficulty:Easy Given a string containing just the characters'(',')','{','}','['and']', determine if the i...

2016-10-10 19:49:00 104

转载 3. Longest Substring Without Repeating Characters

3. Longest Substring Without Repeating Characters Difficulty:Medium Given a string, find the length of thelongest substringwithout repea...

2016-10-10 19:05:00 94

转载 338. Counting Bits

338. Counting Bits Difficulty:Medium Given a non negative integer numbernum. For every numbersiin the range0 ≤ i ≤ numcalculate the n...

2016-10-10 15:10:00 121

转载 82. Remove Duplicates from Sorted List II

82. Remove Duplicates from Sorted List II QuestionEditorial Solution Given a sorted linked list, delete all nodes that have duplicate numbers...

2016-10-10 13:03:00 109

转载 83. Remove Duplicates from Sorted List

Given a sorted linked list, delete all duplicates such that each element appear onlyonce. For example, Given1->1->2, return1->2. Given...

2016-10-10 12:36:00 82

转载 409. Longest Palindrome

原题： Given a string which consists of lowercase or uppercase letters, find the length of the longest palindromes that can be built with those le...

2016-10-07 20:14:00 87

转载 110. Balanced Binary Tree

原题： Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is defined as a binary tree in which...

2016-10-07 17:28:00 58

转载 344. Reverse String

原题： 344. Reverse String QuestionEditorial Solution Difficulty:Easy Write a function that takes a string as input and returns the string rever...

2016-10-07 15:15:00 80

转载 1. Two Sum

原题 1. Two Sum Difficulty:Easy Given an array of integers, returnindicesof the two numbers such that they add up to a specific target. You m...

2016-10-07 14:26:00 85

转载 org/apache/commons/logging/LogFactory

刚刚开始学习java web开发，用的是spring boot的框架，在某一次运行的时候报错Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory，然后我一...

2016-07-31 13:37:00 1255