10 2016 档案

[LeetCode] 435. Non-overlapping Intervals 非重叠区间

摘要：Given a collection of intervals, find the minimum number of intervals you need to remove to make the rest of the intervals non-overlapping. Note: You 阅读全文

posted @ 2016-10-31 21:56 Grandyang 阅读(15616) 评论(3) 推荐(1) 编辑

[LeetCode] 438. Find All Anagrams in a String 找出字符串中所有的变位词

摘要：Given a string s and a non-empty string p, find all the start indices of p's anagrams in s. Strings consists of lowercase English letters only and the 阅读全文

posted @ 2016-10-30 23:17 Grandyang 阅读(22946) 评论(13) 推荐(1) 编辑

[LeetCode] All O`one Data Structure 全O(1)的数据结构

摘要：Implement a data structure supporting the following operations: Challenge: Perform all these in O(1) time complexity. 这道题让我们实现一个全是O(1)复杂度的数据结构，包括了增加ke 阅读全文

posted @ 2016-10-29 23:51 Grandyang 阅读(12135) 评论(5) 推荐(0) 编辑

[LeetCode] 437. Path Sum III 二叉树的路径和之三

摘要：Given the root of a binary tree and an integer targetSum, return the number of paths where the sum of the values along the path equals targetSum. The 阅读全文

posted @ 2016-10-28 12:32 Grandyang 阅读(25037) 评论(19) 推荐(1) 编辑

[LeetCode] 425. Word Squares 单词平方

摘要：Given a set of words (without duplicates), find all word squares you can build from them. A sequence of words forms a valid word square if the kth row 阅读全文

posted @ 2016-10-27 22:57 Grandyang 阅读(13580) 评论(0) 推荐(1) 编辑

[LeetCode] Longest Repeating Character Replacement 最长重复字符置换

摘要：Given a string that consists of only uppercase English letters, you can replace any letter in the string with another letter at most k times. Find the 阅读全文

posted @ 2016-10-26 09:06 Grandyang 阅读(16122) 评论(5) 推荐(1) 编辑

[LeetCode] Reconstruct Original Digits from English 从英文中重建数字

摘要：Given a non-empty string containing an out-of-order English representation of digits 0-9, output the digits in ascending order. Note: Example 1: Examp 阅读全文

posted @ 2016-10-25 12:16 Grandyang 阅读(5799) 评论(0) 推荐(0) 编辑

[LeetCode] Valid Word Square 验证单词平方

摘要：Given a sequence of words, check whether it forms a valid word square. A sequence of words forms a valid word square if the kth row and column read th 阅读全文

posted @ 2016-10-24 06:26 Grandyang 阅读(8123) 评论(0) 推荐(0) 编辑

[LeetCode] 421. Maximum XOR of Two Numbers in an Array 数组中异或值最大的两个数字

摘要：Given a non-empty array of numbers, a0, a1, a2, … , an-1, where 0 ≤ ai < 231. Find the maximum result of ai XOR aj, where 0 ≤ i, j < n. Could you do t 阅读全文

posted @ 2016-10-23 23:57 Grandyang 阅读(17273) 评论(5) 推荐(0) 编辑

[LeetCode] Strong Password Checker 密码强度检查器

摘要：A password is considered strong if below conditions are all met: Write a function strongPasswordChecker(s), that takes a string s as input, and return 阅读全文

posted @ 2016-10-22 23:54 Grandyang 阅读(10097) 评论(5) 推荐(0) 编辑

[LeetCode] 414. Third Maximum Number 第三大的数

摘要：Given an integer array nums, return the third distinct maximum number in this array. If the third maximum does not exist, return the maximum number. E 阅读全文

posted @ 2016-10-20 23:47 Grandyang 阅读(13681) 评论(6) 推荐(0) 编辑

[LeetCode] 419. Battleships in a Board 平板上的战船

摘要：Given an 2D board, count how many battleships are in it. The battleships are represented with 'X's, empty slots are represented with '.'s. You may ass 阅读全文

posted @ 2016-10-19 23:39 Grandyang 阅读(11094) 评论(6) 推荐(0) 编辑

[LeetCode] Sentence Screen Fitting 调整屏幕上的句子

摘要：Given a rows x cols screen and a sentence represented by a list of words, find how many times the given sentence can be fitted on the screen. Note: Ex 阅读全文

posted @ 2016-10-18 22:53 Grandyang 阅读(15890) 评论(3) 推荐(0) 编辑

Win 10 文件浏览器无法打开

摘要：今天遇到个很奇怪的问题，文件浏览器File Explorer无法正常显示，点击打开后任务栏上已经显示打开了，但是屏幕上却看不到任何窗口，开始以为机子中了恶意的木马，然后就疯狂的查毒，然而并没有解决问题，简直要抓狂了，差点就要重装系统了。最后终于发现了原因了，因为我用的是多屏幕显示，我当时没有打开右边阅读全文

posted @ 2016-10-17 04:37 Grandyang 阅读(389) 评论(0) 推荐(0) 编辑

[LeetCode] Arithmetic Slices 算数切片

摘要：A sequence of number is called arithmetic if it consists of at least three elements and if the difference between any two consecutive elements is the 阅读全文

posted @ 2016-10-17 01:27 Grandyang 阅读(10132) 评论(2) 推荐(0) 编辑

[LeetCode] Fizz Buzz 嘶嘶嗡嗡

摘要：Write a program that outputs the string representation of numbers from 1 to n. But for multiples of three it should output “Fizz” instead of the numbe 阅读全文

posted @ 2016-10-16 13:25 Grandyang 阅读(5870) 评论(3) 推荐(0) 编辑

[LeetCode] 417. Pacific Atlantic Water Flow 太平洋大西洋水流

摘要：Given an m x n matrix of non-negative integers representing the height of each unit cell in a continent, the "Pacific ocean" touches the left and top 阅读全文

posted @ 2016-10-14 23:33 Grandyang 阅读(16059) 评论(8) 推荐(1) 编辑

[LintCode] Longest Substring Without Repeating Characters

摘要：Given a string, find the length of the longest substring without repeating characters. Have you met this question in a real interview? Yes Given a str 阅读全文

posted @ 2016-10-13 23:58 Grandyang 阅读(889) 评论(0) 推荐(0) 编辑

[LeetCode] 416. Partition Equal Subset Sum 相同子集和分割

摘要：Given a non-empty array containing only positive integers, find if the array can be partitioned into two subsets such that the sum of elements in both 阅读全文

posted @ 2016-10-12 07:42 Grandyang 阅读(31119) 评论(31) 推荐(3) 编辑

[LintCode] Reverse Linked List 倒置链表

摘要：Reverse a linked list. Have you met this question in a real interview? Yes Reverse a linked list. Reverse a linked list. Have you met this question in 阅读全文

posted @ 2016-10-11 22:32 Grandyang 阅读(776) 评论(0) 推荐(0) 编辑

[LintCode] Median of Two Sorted Arrays 两个有序数组的中位数

摘要：There are two sorted arrays A and B of size m and n respectively. Find the median of the two sorted arrays. There are two sorted arrays A and B of siz 阅读全文

posted @ 2016-10-10 04:33 Grandyang 阅读(1528) 评论(0) 推荐(0) 编辑

[LeetCode] 415. Add Strings 字符串相加

摘要：Given two non-negative numbers num1 and num2 represented as string, return the sum of num1 and num2. Note: The length of both num1 and num2 is < 5100. 阅读全文

posted @ 2016-10-09 23:59 Grandyang 阅读(11782) 评论(3) 推荐(1) 编辑

[LintCode] Longest Consecutive Sequence 求最长连续序列

摘要：Given an unsorted array of integers, find the length of the longest consecutive elements sequence. Have you met this question in a real interview? Yes 阅读全文

posted @ 2016-10-08 23:58 Grandyang 阅读(1050) 评论(0) 推荐(0) 编辑

[LeetCode] 411. Minimum Unique Word Abbreviation 最短的独一无二的单词缩写

摘要：A string such as "word" contains the following abbreviations: ["word", "1ord", "w1rd", "wo1d", "wor1", "2rd", "w2d", "wo2", "1o1d", "1or1", "w1r1", "1 阅读全文

posted @ 2016-10-07 13:27 Grandyang 阅读(9949) 评论(0) 推荐(0) 编辑

[LeetCode] 410. Split Array Largest Sum 分割数组的最大值

摘要：Given an array which consists of non-negative integers and an integer m, you can split the array into m non-empty continuous subarrays. Write an algor 阅读全文

posted @ 2016-10-06 14:11 Grandyang 阅读(25022) 评论(26) 推荐(1) 编辑

[LeetCode] 409. Longest Palindrome 最长回文串

摘要：Given a string s which consists of lowercase or uppercase letters, return the length of the longest palindrome that can be built with those letters. L 阅读全文

posted @ 2016-10-05 10:45 Grandyang 阅读(14767) 评论(2) 推荐(0) 编辑

[LeetCode] Valid Word Abbreviation 验证单词缩写

摘要：Given a non-empty string s and an abbreviation abbr, return whether the string matches with the given abbreviation. A string such as "word" contains o 阅读全文

posted @ 2016-10-04 13:09 Grandyang 阅读(10503) 评论(0) 推荐(0) 编辑

[LeetCode] 407. Trapping Rain Water II 收集雨水之二

摘要：Given an m x n matrix of positive integers representing the height of each unit cell in a 2D elevation map, compute the volume of water it is able to 阅读全文

posted @ 2016-10-03 12:32 Grandyang 阅读(20219) 评论(14) 推荐(7) 编辑

[LeetCode] 406. Queue Reconstruction by Height 根据高度重建队列

摘要：Suppose you have a random list of people standing in a queue. Each person is described by a pair of integers(h, k), where h is the height of the perso 阅读全文

posted @ 2016-10-02 23:58 Grandyang 阅读(20590) 评论(11) 推荐(1) 编辑

[LeetCode] Convert a Number to Hexadecimal 数字转为十六进制

摘要：Given an integer, write an algorithm to convert it to hexadecimal. For negative integer, two’s complement method is used. Note: Example 1: Example 2: 阅读全文

posted @ 2016-10-01 23:53 Grandyang 阅读(8707) 评论(7) 推荐(0) 编辑