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Given an array of meeting time intervals consisting of start and end times [[s1,e1],[s2,e2],...] (si < ei), determine if a person could attend all mee 阅读全文
posted @ 2016-03-04 07:13
Grandyang
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Given a non-empty binary search tree and a target value, find the value in the BST that is closest to the target. Note: Given target value is a floati 阅读全文
posted @ 2016-03-03 06:59
Grandyang
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Given an array of n integers nums and a target, find the number of index triplets i, j, k with 0 <= i < j < k < n that satisfy the condition nums[i] + 阅读全文
posted @ 2016-03-02 15:16
Grandyang
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There is a fence with n posts, each post can be painted with one of the k colors. You have to paint all the posts such that no more than two adjacent 阅读全文
posted @ 2016-03-01 15:31
Grandyang
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You are playing the following Flip Game with your friend: Given a string that contains only these two characters: + and -, you and your friend take tu 阅读全文
posted @ 2016-02-29 01:19
Grandyang
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You are playing the following Flip Game with your friend: Given a string that contains only these two characters: + and -, you and your friend take tu 阅读全文
posted @ 2016-02-28 15:51
Grandyang
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Given a string, determine if a permutation of the string could form a palindrome. Example 1: Example 2: Example 3: Hint: 这道题让我们判断一个字符串的全排列有没有是回文字符串的，那 阅读全文
posted @ 2016-02-27 17:29
Grandyang
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An abbreviation of a word follows the form <first letter><number><last letter>. Below are some examples of word abbreviations: a) it --> it (no abbrev 阅读全文
posted @ 2016-02-26 15:33
Grandyang
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You are given an array x of n positive numbers. You start at point (0,0) and moves x[0] metres to the north, then x[1] metres to the west, x[2] metres 阅读全文
posted @ 2016-02-25 14:17
Grandyang
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Given two 1d vectors, implement an iterator to return their elements alternately. Example: Follow up: What if you are given k 1d vectors? How well can 阅读全文
posted @ 2016-02-24 14:13
Grandyang
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Implement an iterator to flatten a 2d vector. For example,Given 2d vector = [ [1,2], [3], [4,5,6] ] By calling next repeatedly until hasNext returns f 阅读全文
posted @ 2016-02-23 13:37
Grandyang
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Given a binary tree, count the number of uni-value subtrees. A Uni-value subtree means all nodes of the subtree have the same value. Example : Input: 阅读全文
posted @ 2016-02-22 13:34
Grandyang
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Given a string, we can "shift" each of its letter to its successive letter, for example: "abc" -> "bcd". We can keep "shifting" which forms the sequen 阅读全文
posted @ 2016-02-21 12:51
Grandyang
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A strobogrammatic number is a number that looks the same when rotated 180 degrees (looked at upside down). Write a function to count the total strobog 阅读全文
posted @ 2016-02-20 14:28
Grandyang
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When you use FLTK with VS2010, you may get the error: fatal error C1083: Cannot open include file: 'X11/Xlocale.h': No such file or directory. The way 阅读全文
posted @ 2016-02-20 04:29
Grandyang
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A strobogrammatic number is a number that looks the same when rotated 180 degrees (looked at upside down). Find all strobogrammatic numbers that are o 阅读全文
posted @ 2016-02-19 14:29
Grandyang
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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 i 阅读全文
posted @ 2016-02-18 00:54
Grandyang
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Given an unsorted array return whether an increasing subsequence of length 3 exists or not in the array. Formally the function should: Your algorithm 阅读全文
posted @ 2016-02-17 10:45
Grandyang
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Given a list of words and two words word1 and word2, return the shortest distance between these two words in the list. word1 and word2 may be the same 阅读全文
posted @ 2016-02-16 13:15
Grandyang
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A 2d grid map of m rows and n columns is initially filled with water. We may perform an addLand operation which turns the water at position (row, col) 阅读全文
posted @ 2016-02-15 14:12
Grandyang
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Given a binary tree, find the largest subtree which is a Binary Search Tree (BST), where largest means subtree with largest number of nodes in it. Not 阅读全文
posted @ 2016-02-14 13:01
Grandyang
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Design a class which receives a list of words in the constructor, and implements a method that takes two words word1 and word2 and return the shortest 阅读全文
posted @ 2016-02-13 14:57
Grandyang
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Given a list of words and two words word1 and word2, return the shortest distance between these two words in the list. Example:Assume that words = ["p 阅读全文
posted @ 2016-02-12 14:55
Grandyang
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The 14 best data visualization tools The 38 best tools for data visualization 阅读全文
posted @ 2016-02-12 06:12
Grandyang
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Given an input string , reverse the string word by word. Example: Input: ["t","h","e"," ","s","k","y"," ","i","s"," ","b","l","u","e"] Output: [& 阅读全文
posted @ 2016-02-11 07:48
Grandyang
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Given an array of integers that is already sorted in ascending order, find two numbers such that they add up to a specific target number.The function 阅读全文
posted @ 2016-02-10 00:33
Grandyang
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Given a string s , find the length of the longest substring t that contains at most 2 distinct characters. Example 1: Input: "eceba" Output: 3 Explana 阅读全文
posted @ 2016-02-09 15:20
Grandyang
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Given a sorted integer array nums, where the range of elements are in the inclusive range [lower, upper], return its missing ranges. Example: Input: n 阅读全文
posted @ 2016-02-08 07:21
Grandyang
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Given two strings s and t, determine if they are both one edit distance apart. Note: There are 3 possiblities to satisify one edit distance apart: Exa 阅读全文
posted @ 2016-02-07 14:34
Grandyang
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Design and implement a TwoSum class. It should support the following operations: add and find. add - Add the number to an internal data structure.find 阅读全文
posted @ 2016-02-06 15:46
Grandyang
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Given a list of airline tickets represented by pairs of departure and arrival airports [from, to], reconstruct the itinerary in order. All of the tick 阅读全文
posted @ 2016-02-05 15:22
Grandyang
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Given a file and assume that you can only read the file using a given method read4, implement a method read to read n characters. Your method read may 阅读全文
posted @ 2016-02-04 15:09
Grandyang
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MATLAB 矩阵实验室 7.0.1 Simulink 仿真 6.1 Aerospace Blockset 太空模块 1.6.1 Bioinformatics Toolbox 生物信息工具箱 1.1.1 CDMA Reference Blockset 码分多址参数模块 1.1 Communicati 阅读全文
posted @ 2016-02-03 07:30
Grandyang
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Given an unsorted array nums, reorder it in-place such that nums[0] <= nums[1] >= nums[2] <= nums[3].... Example: Input: nums = [3,5,2,1,6,4] Output: 阅读全文
posted @ 2016-02-02 13:22
Grandyang
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One way to serialize a binary tree is to use pre-order traversal. When we encounter a non-null node, we record the node's value. If it is a null node, 阅读全文
posted @ 2016-02-01 10:52
Grandyang
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Given a file and assume that you can only read the file using a given method read4, implement a method to read n characters. Method read4: The API rea 阅读全文
posted @ 2016-02-01 02:54
Grandyang
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Given a binary tree where all the right nodes are either leaf nodes with a sibling (a left node that shares the same parent node) or empty, flip it up 阅读全文
posted @ 2016-01-31 08:59
Grandyang
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VS2010 NVIDIA OpenCL 开发环境配置 CUDA 在线课程 [经典培训] 全球首套中文CUDA 教程-胡文美教授主讲 阅读全文
posted @ 2016-01-29 02:11
Grandyang
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Given n nodes labeled from 0 to n - 1 and a list of undirected edges (each edge is a pair of nodes), write a function to find the number of connected 阅读全文
posted @ 2016-01-28 15:14
Grandyang
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Given a sorted positive integer array nums and an integer n, add/patch elements to the array such that any number in range [1, n] inclusive can be for 阅读全文
posted @ 2016-01-28 12:42
Grandyang
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