Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties:Integers in each row are sorted fr...
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其他好文 时间：
2014-08-24 11:37:02
阅读次数：
194
题目描述：
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST.
给定一个有序的链表，要求构建一颗平衡二叉查找树。
解析：二叉查找树的中序遍历的结构就是一颗二叉查找树，要使得最终的二叉查找树的结构尽可能的平衡，也就是说只需要...
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其他好文 时间：
2014-08-23 23:02:31
阅读次数：
389
Add Two Numbers
Total Accepted: 20255 Total
Submissions: 88115My Submissions
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order a...
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其他好文 时间：
2014-08-23 21:40:01
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200
Given two integers n and k, return all possible combinations of k numbers out of 1 ... n.For example,If n = 4 and k = 2, a solution is:[ [2,4], [3,4.....
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其他好文 时间：
2014-08-23 21:37:41
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199
Description
Combinatorics is a branch of mathematics chiefly concerned with counting discrete objects. For instance, how many ways can you pick two people out of a crowd of
n people? Into how many...
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其他好文 时间：
2014-08-23 20:24:01
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317
Divide two integers without using multiplication, division and mod operator.常常出现大的负数，无法用abs()转换成正数的情况class Solution{private: vector f;public: in...
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其他好文 时间：
2014-08-23 17:43:11
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215
Problem Description
N(3
Each player has a unique skill rank. To improve their skill rank, they often compete with each other. If two players want to compete, they must choose a referee among oth...
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其他好文 时间：
2014-08-23 15:27:21
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253
A bishop is a piece used in thegame of chess which is played on a board of square grids. A bishop can only movediagonally from its current position and two bishops attack each other if oneis on the pa...
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其他好文 时间：
2014-08-23 15:26:31
阅读次数：
286
Remove Duplicates from Sorted Array
Total Accepted: 22879 Total
Submissions: 70824My Submissions
Given a sorted array, remove the duplicates in place such that each element appear only on...
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其他好文 时间：
2014-08-23 15:25:01
阅读次数：
196
Problem DescriptionThere are N villages, which are numbered from 1 to N, and you should build some roads such that every two villages can connect to e...
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其他好文 时间：
2014-08-23 15:15:40
阅读次数：
234
