链接： http://acm.hrbust.edu.cn/index.php?m=ProblemSet&a=showProblem&problem_id=1752
Description
There are n webpages, each of which has its respective page rank. The content is constantly updated ...
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其他好文 时间：
2014-06-09 23:32:22
阅读次数：
270
今天在某公司（不透露了）写了一套Java面试题。有个题大概是这样的。
Which design patternused in Java.lang.Runtime?
就是说java.lang.Runtime里，用了什么设计模式
还有java.utils.collection里用了什么设计模式。
当时由于对这冷门知识了解的不够多，而且api也读的少，所以一时答不上来。
回到家搜了下。...
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编程语言 时间：
2014-06-08 18:10:17
阅读次数：
547
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without
repeating letters for "abcabcbb" is "abc", which the length is 3. Fo...
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其他好文 时间：
2014-06-08 16:27:47
阅读次数：
231
Find the contiguous subarray within an array (containing at least one number) which has the largest sum....
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其他好文 时间：
2014-06-08 15:54:08
阅读次数：
258
【题目】
Say you have an array for which the ith element is the price of a given stock on day i.
If you were only permitted to complete at most one transaction (ie, buy one and sell one share of the stock), design an algorithm to find the maximum profit.
...
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其他好文 时间：
2014-06-08 15:11:58
阅读次数：
298
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...
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其他好文 时间：
2014-06-08 14:49:14
阅读次数：
347
A perfect number is a number for which the sum of its proper divisors is exactly equal to the number. For example, the sum of the proper divisors of 28 would be 1 + 2 + 4 + 7 + 14 = 28, which means th...
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其他好文 时间：
2014-06-08 04:05:14
阅读次数：
315
题目：Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "abcabcbb" is "abc", which the length is 3. For "bbbbb" the longest substring is "b", with the length...
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其他好文 时间：
2014-06-08 03:06:52
阅读次数：
221
题目链接 Given a m x n grid filled with non-negative
numbers, find a path from top left to bottom right which minimizes the sum of
all numbers along its p...
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其他好文 时间：
2014-06-07 21:59:08
阅读次数：
344
About fork() in linux:parent/child processes
created by fork() share the same file table (linux file descriptor or called
`open file descriptor`)Which...
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系统相关 时间：
2014-06-07 21:47:58
阅读次数：
443
