【题目】原文：1.3 Design an algorithm and write code
to remove the duplicate characters in a string without using any additional
buffer. NOTE: One or two add...
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其他好文 时间：
2014-06-02 21:32:04
阅读次数：
284
【题目】
Given two binary trees, write a function to check if they are equal or not.
Two binary trees are considered equal if they are structurally identical and the nodes have the same value.
【题意】
判断了两个二叉树是否相等
【思路】
递归...
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其他好文 时间：
2014-06-02 11:03:03
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205
【题目】
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 devise a constant space solution?
confused what "{1,#,2,3}" ...
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其他好文 时间：
2014-06-02 10:38:17
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246
DescriptionThe police office in Tadu City
decides to say ends to the chaos, as launch actions to root up the TWO gangs in
the city, Gang Dragon and Ga...
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其他好文 时间：
2014-06-02 09:38:19
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219
ParencodingsDescriptionLet S = s1 s2...s2n be a
well-formed string of parentheses. S can be encoded in two different ways: q By
an integer sequence P ...
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其他好文 时间：
2014-06-02 06:19:50
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185
Batteries included: RabbitMQ clustering The
clustering built in to RabbitMQ was designed with two goals in mind: allowing
consumers and producers to k...
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其他好文 时间：
2014-06-02 06:11:46
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392
Divide two integers without using multiplication, division and mod operator.
不使用乘法、除法和求模运算求两个数相除。...
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其他好文 时间：
2014-06-01 18:16:23
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311
问题：
The n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens attack each other.
Given an integer n, return all distinct solutions to the n-queens...
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其他好文 时间：
2014-06-01 18:08:28
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334
You are given two linked lists representing two
non-negative numbers. The digits are stored in reverse order and each of their
nodes contain a single ...
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其他好文 时间：
2014-06-01 17:05:44
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296
Merge Sorted ArrayGiven 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 ...
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其他好文 时间：
2014-06-01 12:04:32
阅读次数：
175
