问题： Given an array of integers, every element appears twice except for one. Find that single one. Note: Your algorithm should have a linear runtime co...
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其他好文 时间：
2014-10-07 18:14:13
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189
Given amxngrid filled with non-negative numbers, find a path from top left to bottom right whichminimizesthe sum of all numbers along its path.Note:Yo...
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其他好文 时间：
2014-10-06 21:14:50
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220
Two elements of a binary search tree (BST) are swapped by mistake.
Recover the tree without changing its structure.
Note:
A solution using O(n)
space is pretty straight forward. Could you devis...
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其他好文 时间：
2014-10-06 18:43:20
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201
第十五章 多态性和虚函数
/**
* 书本:【ThinkingInC++】
* 功能:纯抽象类
* 时间:2014年10月6日13:10:28
* 作者:cutter_point
*/
#include
using namespace std;
enum note {middleC, Csharp, Cflat};
//创建一个抽象类
//基类
class Instrument
{
p...
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编程语言 时间：
2014-10-06 15:02:20
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281
Given preorder and inorder traversal of a tree, construct the binary tree.
Note:
You may assume that duplicates do not exist in the tree.
/**
* Definition for binary tree
* struct TreeNode {
...
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其他好文 时间：
2014-10-06 14:46:30
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202
Given inorder and postorder traversal of a tree, construct the binary tree.
Note:
You may assume that duplicates do not exist in the tree.
/**
* Definition for binary tree
* struct TreeNode {...
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其他好文 时间：
2014-10-06 14:45:50
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178
Given two sorted integer arrays A and B, merge B into A as one sorted array.Note:You may assume that A has enough space (size that is greater or equal...
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其他好文 时间：
2014-10-06 13:11:00
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167
Given an array of strings, return all groups of strings that are anagrams.Note: All inputs will be in lower-case.For example:Input:["tea","and","ate",...
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其他好文 时间：
2014-10-06 12:02:00
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167
Team:ROIS_ThreeLine（ET,Rice,liognaij）Note:这篇writeup由本人和两位队友共同完成，非个人单独作品。其中仅包含队伍提交通过的题目，在两位队友努力下取得第14的成绩，谨以此文为纪念。若有幸被转载还请注明出处。Web20php彩蛋 URL后缀加上 ?=PHPB...
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其他好文 时间：
2014-10-06 02:32:29
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5210
Follow up for problem "Populating Next Right Pointers in Each Node".
What if the given tree could be any binary tree? Would your previous solution still work?
Note:
You may only use constant extr...
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其他好文 时间：
2014-10-06 00:41:19
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271
