Vitaly has an array of n distinct integers. Vitaly wants to divide this array into three non-empty sets
so as the following conditions hold:
The product of all numbers in the first set is less ...
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其他好文 时间：
2014-05-03 23:51:19
阅读次数：
621
DDL ：Data Definition Language (DDL) statements
are used to define the database structure or schema. Some examples:CREATE - to
create objects in the da...
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数据库 时间：
2014-05-03 22:21:22
阅读次数：
410
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
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252
A Star not a Tree?
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 3272
Accepted: 1664
Description
Luke wants to upgrade his home computer network from 10mbs...
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其他好文 时间：
2014-05-03 21:31:49
阅读次数：
417
题目链接：
http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=5176
Simple Equation
Time Limit: 2 Seconds Memory Limit: 65536 KB
There are many Equations. Some are difficu...
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其他好文 时间：
2014-05-03 17:47:01
阅读次数：
343
题目
Reverse digits of an integer.
Example1: x = 123, return 321
Example2: x = -123, return -321
Have you thought about this?
Here are some good questions to ask before coding. Bonus points...
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其他好文 时间：
2014-05-03 17:35:30
阅读次数：
345
Valera wanted to prepare a Codesecrof round. He's already got one problem and he wants to set a time limit (TL) on it.
Valera has written n correct solutions. For each correct solution, he knows it...
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其他好文 时间：
2014-05-03 16:53:51
阅读次数：
364
题目描述：
Description
Furik loves math lessons very much, so he doesn't attend them, unlike Rubik. But now Furik wants to get a good mark for math. For that Ms. Ivanova, his math teacher, gave him...
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其他好文 时间：
2014-05-03 16:45:31
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234
Chef wrote some text on a piece of paper and now he wants to know how many holes are in the text. What is a hole? If you think of the paper as the plane and a letter as a curve on the plane, then each...
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其他好文 时间：
2014-05-03 15:49:18
阅读次数：
412
本文主要介绍了MapReduce中的自定义计数器的相关内容。在上次的单词统计例子中，我们可以看到MapReduce在执行过程中会有很多的控制台输出信息，其中有一个很关键的内容：计数器。如下图：可以看到最上方的关键字：Counters，这就表示计数器。在这里，只有一个制表符缩进的表示..
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其他好文 时间：
2014-05-03 14:56:19
阅读次数：
336
