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BombTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 7921Accepted Submission(s): 2778Problem Descr... 阅读全文
posted @ 2014-09-28 00:28
龚细军
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ContestTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 220Accepted Submission(s): 88Problem Descri... 阅读全文
posted @ 2014-09-27 21:40
龚细军
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the Sum of CubeTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 162Accepted Submission(s): 101Probl... 阅读全文
posted @ 2014-09-27 20:49
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Divided LandTime Limit: 8000/4000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 123Accepted Submission(s): 64Problem D... 阅读全文
posted @ 2014-09-27 20:45
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SawtoothTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 422Accepted Submission(s): 134Problem Desc... 阅读全文
posted @ 2014-09-27 20:39
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湫湫系列故事——过年回家Time Limit: 500/200 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 1095Accepted Submission(s): 226Problem D... 阅读全文
posted @ 2014-09-26 21:35
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搬寝室Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 17687Accepted Submission(s): 6000Problem Descri... 阅读全文
posted @ 2014-09-25 20:10
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最少拦截系统Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 19172Accepted Submission(s): 7600Problem Des... 阅读全文
posted @ 2014-09-25 19:23
龚细军
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RailroadTime Limit: 4000/2000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 572Accepted Submission(s): 228Problem Desc... 阅读全文
posted @ 2014-09-25 18:44
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Constructing Roads In JGShining's KingdomTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 16047Acce... 阅读全文
posted @ 2014-09-25 14:33
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Nested DollsTime Limit: 3000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2704Accepted Submission(s): 802Problem... 阅读全文
posted @ 2014-09-25 13:10
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Bridging signalsTime Limit: 5000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 667Accepted Submission(s): 443Prob... 阅读全文
posted @ 2014-09-24 21:43
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小明系列问题——小明序列Time Limit: 3000/1000 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 1812Accepted Submission(s): 551Problem... 阅读全文
posted @ 2014-09-24 20:51
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LIS（Longest Increasing Subsequence）最长上升（不下降）子序列，有两种算法复杂度为O(n*logn)和O(n^2)。在上述算法中，若使用朴素的顺序查找在 D1..Dlen查找，由于共有O(n)个元素需要计算，每次计算时的复杂度是O(n)，则整个算法的时间复杂度为O(n... 阅读全文
posted @ 2014-09-24 07:33
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A Simple Math ProblemTime Limit: 3000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2791Accepted Submission(s): 1... 阅读全文
posted @ 2014-09-24 01:20
龚细军
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The Shortest PathTime Limit: 4000/2000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2440Accepted Submission(s): 784Pr... 阅读全文
posted @ 2014-09-23 22:41
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Arc of DreamTime Limit: 2000/2000 MS (Java/Others)Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 2010Accepted Submission(s): 643Problem... 阅读全文
posted @ 2014-09-23 19:55
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好像目前还没有这方面题目的总结。这几天连续看到四个问这类题目的人，今天在这里简单写一下。这里我们不介绍其它有关矩阵的知识，只介绍矩阵乘法和相关性质。不要以为数学中的矩阵也是黑色屏幕上不断变化的绿色字符。在数学中，一个矩阵说穿了就是一个二维数组。一个n行m列的矩阵可以乘以一个m行p列的矩阵，得到的结果... 阅读全文
posted @ 2014-09-23 14:31
龚细军
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M斐波那契数列Time Limit: 3000/1000 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 1534Accepted Submission(s): 435Problem Desc... 阅读全文
posted @ 2014-09-22 18:43
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A Short problemTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1716Accepted Submission(s): 631Prob... 阅读全文
posted @ 2014-09-22 17:16
龚细军
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How many ways??Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1562Accepted Submission(s): 546Prob... 阅读全文
posted @ 2014-09-22 16:00
龚细军
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QueuingTime Limit: 10000/5000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2796Accepted Submission(s): 1282Problem De... 阅读全文
posted @ 2014-09-21 23:53
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GradeTime Limit: 3000/1500 MS (Java/Others)Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 109Accepted Submission(s): 63Problem Descri... 阅读全文
posted @ 2014-09-21 19:49
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最近做题，老是遇到了一些公式比如An=An-1+An-2，然后给你一个巨大n的数据，要你求An的值，然后以前做起来，还是比较的顺手的，但是时间抹去了记得的记忆，说明没有学会，于是又花掉一些时间，来回顾以及学习快速矩阵算法。 其实，每一次我们想到快速矩阵的时候，就可能会产生一个问题？ 矩阵该怎么构造... 阅读全文
posted @ 2014-09-20 23:46
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1339 - Ancient CipherAncient Roman empire had a strong government system with various departments, including a secret service department. Important d... 阅读全文
posted @ 2014-09-20 21:12
龚细军
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A Corrupt Mayor's Performance ArtTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 100000/100000 K (Java/Others)Total Submission(s): 33Accepted Subm... 阅读全文
posted @ 2014-09-20 17:30
龚细军
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RepositoryTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2538Accepted Submission(s): 990Problem D... 阅读全文
posted @ 2014-09-18 08:03
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Flying to the MarsTime Limit: 5000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 11228Accepted Submission(s): 361... 阅读全文
posted @ 2014-09-17 21:18
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What Are You Talking AboutTime Limit: 10000/5000 MS (Java/Others)Memory Limit: 102400/204800 K (Java/Others)Total Submission(s): 14107Accepted Submiss... 阅读全文
posted @ 2014-09-17 20:32
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Hat’s WordsTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 8343Accepted Submission(s): 3004Problem... 阅读全文
posted @ 2014-09-17 15:29
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郑厂长系列故事——体检Time Limit: 500/200 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 1097Accepted Submission(s): 596Problem De... 阅读全文
posted @ 2014-09-16 20:47
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小小明系列故事——游戏的烦恼Time Limit: 3000/1000 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 841Accepted Submission(s): 296Proble... 阅读全文
posted @ 2014-09-16 18:49
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湫湫系列故事——设计风景线Time Limit: 6000/3000 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 3105Accepted Submission(s): 562Proble... 阅读全文
posted @ 2014-09-15 23:22
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A * B Problem PlusTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 12665Accepted Submission(s): 224... 阅读全文
posted @ 2014-09-14 10:27
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The 3n + 1 problemBackgroundProblems in Computer Science are often classified as belonging to a certain class of problems (e.g., NP, Unsolvable, Recur... 阅读全文
posted @ 2014-09-14 10:08
龚细军
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Flow ProblemTime Limit: 5000/5000 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 8203Accepted Submission(s): 3817Proble... 阅读全文
posted @ 2014-09-12 21:31
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Drainage DitchesTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 9580Accepted Submission(s): 4541Pr... 阅读全文
posted @ 2014-09-12 16:49
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项目管理Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1013Accepted Submission(s): 360Problem Descrip... 阅读全文
posted @ 2014-09-11 15:30
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逃生Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1161Accepted Submission(s): 368Problem Descripti... 阅读全文
posted @ 2014-09-11 10:04
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CoursesTime Limit: 20000/10000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3767Accepted Submission(s): 1800Problem D... 阅读全文
posted @ 2014-09-10 13:55
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