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3644 - X-PlosivesA secret service developed a new kind of explosive that attain its volatile property only when a specificassociation of products occu... 阅读全文
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3135 - Argus A data stream is a real-time, continuous, ordered sequence of items. Some examples include sensordata, Internet traffic, financial tic... 阅读全文
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1699: 回文串问题时间限制: 1 Sec 内存限制: 128 MB 提交: 22 解决: 3 [提交][状态][讨论版]题目描述还是回文串问题，字符串是啥，大家应该都知道，就是满足 S[i] = S[L - i + 1] (1 #include#include#include#include#i... 阅读全文
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11991 - Easy Problem from Rujia Liu? Though Rujia Liu usually sets hard problems for contests (for example, regional contests likeXi’an 2006, Beiji... 阅读全文
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11995 - I Can Guess the Data Structure! There is a bag-like data structure, supporting two operations:1 x Throw an element x into the bag.2 Take out ... 阅读全文
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线段树转载请注明出处，谢谢！http://blog.csdn.net/metalseed/article/details/8039326持续更新中···一：线段树基本概念1：概述线段树，类似区间树，是一个完全二叉树，它在各个节点保存一条线段（数组中的一段子数组），主要用于高效解决连续区间的动态查询问... 阅读全文