题目来源:http://acm.uestc.edu.cn/#/problem/show/4分析:就是一个很普通的区间修改,单点查询的树状数组,但是今天忘记吃药了,一直写不对,中午迷迷糊糊地,直接把数据读入到数组里而不是update,然后又总是考虑后面的数被减到0以下要怎么处理,其实根本不用考虑,直接...
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其他好文 时间:
2014-07-27 23:27:59
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251
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:
2014-07-27 09:49:52
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237
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
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156
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
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229
Heap sort is common in written exams.First of all, what is heap? Heap is a kind of data struct that can be seen as a complete binary tree. The objectt...
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其他好文 时间:
2014-07-26 00:13:06
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343
1.正常程序里的事务: using (System.Transactions.TransactionScope ts = new TransactionScope()) { try { //Sql语句 ts.Complete();//提交事务 } catch (Exception e) { Logg...
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其他好文 时间:
2014-07-24 22:11:52
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171
Say you have an array for which the ith element is the price of a given stock on day i.
Design an algorithm to find the maximum profit. You may complete as many transactions as you like (ie, buy on...
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编程语言 时间:
2014-07-24 10:25:36
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227
Problem Description
Today the company has m tasks to complete. The ith task need xi minutes to complete. Meanwhile, this task has a difficulty level yi. The machine whose level below this task’s le...
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其他好文 时间:
2014-07-23 16:36:41
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208
WHAT?提高代码运行速度的方法,减少代码的资源占用WHY?这里提出的都是“可以尝试的”方法,有的或许在你的环境根本不起作用,有的则能实实在在产生很好的效果HOW?Logic - 逻辑在知道答案后停止判断按照出现频率来调整判断顺序:让运行最快和判断结果最肯能为真的判断先行,即,让程序更容易进入常见状...
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其他好文 时间:
2014-07-23 15:20:05
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201
一组外企iOS开发的笔试题,您能回答出来吗?从群里收集来的。1 why can't NSArray contain NSInteger Instance? with which extra step can you do it?2.complete this code so that it beco...
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移动开发 时间:
2014-07-23 12:08:16
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240