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 ...
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其他好文 时间：
2014-06-03 13:53:21
阅读次数：
309
Given a linked list, determine if it has a
cycle in it.Follow up:Can you solve it without using extra space?/** *
Definition for singly-linked list. *...
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其他好文 时间：
2014-05-30 16:08:05
阅读次数：
238
if we want to filter with sed pattern and just
print the filtered lines without any further editing , we can do it like thisls
-a1 ~ | sed -ne "/^\./p...
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其他好文 时间：
2014-05-28 22:58:56
阅读次数：
294
回文数是指这样的数字：正读和倒读都是一样的。如：595，2332都是回文数，234不是回文数。注意：负数不是回文数Determine whether an
integer is a palindrome. Do this without extra space.Some hints:Could ne...
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其他好文 时间：
2014-05-27 23:44:17
阅读次数：
459
Determine whether an integer is a palindrome. Do
this without extra space.Some hints:Could negative integers be palindromes? (ie,
-1)If you are thinki...
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其他好文 时间：
2014-05-26 18:07:52
阅读次数：
217
??
1、Longest Substring Without Repeating Characters
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letter...
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其他好文 时间：
2014-05-26 05:03:19
阅读次数：
172
The Jordan 6 Carmine have inclination is easily
the most popular release of year. Which is without being aware of what other
shoes are likely to relea...
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其他好文 时间：
2014-05-26 02:40:58
阅读次数：
273
题目：2520 is the smallest number that can be
divided by each of the numbers from 1 to 10 without any remainder.What is the
smallest positive number that...
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其他好文 时间：
2014-05-26 02:12:53
阅读次数：
167
add two numbers without arithmetic
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其他好文 时间：
2014-05-26 01:25:43
阅读次数：
224
原文：
Given an array of integers, every element appears twice except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it without ...
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其他好文 时间：
2014-05-25 21:30:02
阅读次数：
276
