Say you have an array for which theithelement is the price of a given stock on dayi.If you were only permitted to complete at most one transaction (ie...
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其他好文 时间：
2014-07-26 14:30:11
阅读次数：
156
Implement wildcard pattern matching with support for'?'and'*'.'?' Matches any single character.'*' Matches any sequence of characters (including the e...
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其他好文 时间：
2014-07-26 14:01:44
阅读次数：
219
I would like to know what would be the best way to save contents from a web page. I mean to force save-as option by clicking a link or button. I often found that javascript would not be an option beca...
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Web程序 时间：
2014-07-26 02:29:06
阅读次数：
297
题目：uva10706 - Number Sequence（找规律）
题目大意：有这样一串序列11212312341234512345612345671234567812345678912345678910123456789101112345678910...，问第i个位置数的值。
1 ...
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其他好文 时间：
2014-07-26 02:27:06
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168
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 ...
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其他好文 时间：
2014-07-26 01:23:26
阅读次数：
229
DescriptionBessie has gone to the mall's jewelry store and spies a charm bracelet. Of course, she'd like to fill it with the best charms possible from...
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其他好文 时间：
2014-07-25 19:06:52
阅读次数：
339
Description
There is a sequence of integers. Your task is to find the longest subsequence that satisfies the following condition: the difference between the maximum element and the minimum element ...
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其他好文 时间：
2014-07-25 11:06:41
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242
Problem Description
A numeric sequence of ai is ordered if a1 < a2 < ... < aN. Let the subsequence of the given numeric sequence (a1, a2, ..., aN) be any sequence (ai1, ai2, ..., aiK), where 1 <= i1 ...
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其他好文 时间：
2014-07-25 11:04:41
阅读次数：
253
Comparison-based sorting takes O(nlgn), so hashset is a good idea. After keeping records of all numbers in the hashset, you start checking each number...
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其他好文 时间：
2014-07-25 03:40:54
阅读次数：
305
Farey SequenceTime Limit:1000MSMemory Limit:65536KDescriptionThe Farey Sequence Fn for any integer n with n >= 2 is the set of irreducible rational nu...
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其他好文 时间：
2014-07-24 22:53:03
阅读次数：
211
