【题目】
Given a string S and a string T, count the number of distinct subsequences of T in S.
A subsequence of a string is a new string which is formed from the original string by deleting some (can be none) of the characters without disturbing the relati...
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其他好文 时间：
2014-06-29 07:27:17
阅读次数：
210
1、
??
Recover Binary Search Tree
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...
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其他好文 时间：
2014-06-20 10:13:49
阅读次数：
243
This how-to will explain how to download rpm
packages from a yum repository without installing them. This will work on Redhat
Enterprise Linux 5.x, Fe...
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其他好文 时间：
2014-06-11 22:07:34
阅读次数：
406
Divide two integers without using
multiplication, division and mod operator.
其实刚开始看到这道题的时候，感觉应该是略简单。但真正开始写的时候发现了很多错误。 最开始的想法就是divisor一个一个加上去直到大于divide...
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其他好文 时间：
2014-06-11 12:17:22
阅读次数：
274
Divide two integers without using
multiplication, division and mod operator. 1 class Solution { 2 public: 3 int
divide(int dividend, int divisor) ...
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其他好文 时间：
2014-06-06 17:40:07
阅读次数：
193
Another great feature of comfort jestmankiet.
This ensures that they are secured in the package. The bag can be rolled up,
without the need for roll c...
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其他好文 时间：
2014-06-06 09:59:04
阅读次数：
196
Swift is a new programming language for iOS and OS
X apps that builds on the best of C and Objective-C, without the constraints of
C compatibility.Swi...
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其他好文 时间：
2014-06-06 08:28:23
阅读次数：
187
Swift is a new programming language for iOS and OS X apps that builds on the best of C and Objective-C, without the constraints of C compatibility. Swift adopts safe programming patterns and adds mode...
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其他好文 时间：
2014-06-04 13:19:23
阅读次数：
282
Te Regular Expression literal also creates new
objects in ECMA Script 5. And one last note that calling RegExp() without new(as
a function, not as a c...
分类：
编程语言 时间：
2014-06-02 15:50:52
阅读次数：
280
【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}" ...
分类：
其他好文 时间：
2014-06-02 10:38:17
阅读次数：
246
