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Football Games Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 5055 Accepted Submission(s): 904 P 阅读全文
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Stars Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 42707 Accepted: 18587 Description Astronomers often examine star maps where stars are 阅读全文
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Ultra-QuickSort Time Limit: 7000MS Memory Limit: 65536K Total Submissions: 56054 Accepted: 20706 Description In this problem, you have to analyze a pa 阅读全文
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首先人脑能识别的,也就是我们常写的就是原码,因为数字都有正负之分所以,二进制的时候用最高位表示正负,0为正,1为负,例如3二进制位00000011,-3二进制位10000011. 反码:正数的反码等于其本身,负数的反码:符号位不变其他位取反。(00000011)原=(00000011)反,(1000 阅读全文
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Problem A: 2016 Description 给出正整数 n 和 m,统计满足以下条件的正整数对 (a,b) 的数量: 1. 1≤a≤n,1≤b≤m; 2. a×b 是 2016 的倍数。 给出正整数 n 和 m,统计满足以下条件的正整数对 (a,b) 的数量: 1. 1≤a≤n,1≤b≤ 阅读全文
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Sliding Window Time Limit: 12000MS Memory Limit: 65536K Total Submissions: 54824 Accepted: 15777 Case Time Limit: 5000MS Description An array of size 阅读全文
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总结这一个暑假呐,就是被DP虐哭了的一个月,这TM就是一门玄学,没有一定的脑洞,怎么可能学好DP,用抽象的思维将一个大问题拆分成多个阶段决策问题,然后表示每个阶段的状态,再在每个状态之间进行决策的选择。题做多了之后才发现,DP的过程其实就是将状态你前面记录的过程记忆下来,然后后面你进行决策的时候以这 阅读全文
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Apple Tree Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 9808 Accepted: 3260 Description Wshxzt is a lovely girl. She likes apple very mu 阅读全文
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Choosing Capital for Treeland time limit per test 3 seconds time limit per test memory limit per test 256 megabytes memory limit per test input standa 阅读全文
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E - Pairs Description standard input/outputStatements In the secret book of ACM, it’s said: “Glory for those who write short ICPC problems. May they l 阅读全文