Given a binary tree containing digits from 0-9
only, each root-to-leaf path could represent a number.An example is the
root-to-leaf path 1->2->3 which...
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其他好文 时间:
2014-05-05 23:55:36
阅读次数:
407
Implement next permutation, which rearranges
numbers into the lexicographically next greater permutation of numbers.If such
arrangement is not possibl...
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其他好文 时间:
2014-05-05 22:19:17
阅读次数:
312
Problem E: WeddingUp to thirty couples will
attend a wedding feast, at which they will be seated on either side of a long
table. The bride and groom s...
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其他好文 时间:
2014-05-05 22:10:59
阅读次数:
373
题目如下:
``Accordian'' Patience
You are to simulate the playing of games of ``Accordian'' patience, the rules for which are as follows:
Deal cards one by one in a row from left to right, no...
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其他好文 时间:
2014-05-04 09:08:31
阅读次数:
329
1 keytool命令总结
一、创建数字证书
交互模式
使用默认的密钥库.keystore(目录是c: Documents and Setting用户名)和算法(DSA)
keytool -genkey
默认的别名mykey
密钥库中可以存放多个条目(公钥/私钥对和证书),它们在密钥库中以别名(alias)区分。
[plain] view
...
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编程语言 时间:
2014-05-04 00:32:09
阅读次数:
1113
Say you have an array for which theithelement
is the price of a given stock on dayi.Design an algorithm to find the maximum
profit. You may complete a...
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其他好文 时间:
2014-05-03 23:21:20
阅读次数:
292
标记有(*)要着重了解:
(1)alias(别名拦截器):允许参数在跨越多个请求时使用不同别名,该拦截器可将多个Action采用不同名字链接起来,然后用于处理同一信息。
(2)autowiring(自动装配拦截器):主要用于当Struts2和Spring整合时,Struts2可以使用自动装配的方.....
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其他好文 时间:
2014-05-03 22:16:48
阅读次数:
272
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 (c...
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其他好文 时间:
2014-05-03 21:48:19
阅读次数:
252
Let's consider a triangle of numbers in which a number appears in the first line, two numbers appear in the second line, three in the third line, etc. Develop a program which will compute the largest ...
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其他好文 时间:
2014-05-03 17:32:22
阅读次数:
284
在Bash环境中,定义了alias替换有时会产生不是想要的替换:e.g:;而定义function则可以避免这种缺陷。...
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系统相关 时间:
2014-05-03 15:21:39
阅读次数:
319