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2393: Cirno的完美算数教室Time Limit: 10 Sec Memory Limit: 128 MBSubmit: 304 Solved: 187[Submit][Status][Discuss]Description~Cirno发现了一种baka数... 阅读全文
posted @ 2016-05-20 20:00
lris0-0
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3531: [Sdoi2014]旅行Time Limit: 20 Sec Memory Limit: 512 MBSubmit: 1197 Solved: 576[Submit][Status][Discuss]Description S国有N个城市，编号从1到N... 阅读全文
posted @ 2016-05-18 18:59
lris0-0
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3083: 遥远的国度Time Limit: 10 Sec Memory Limit: 1280 MBSubmit: 2378 Solved: 586[Submit][Status][Discuss]Description描述zcwwzdjn在追杀十分sb的zhx... 阅读全文
posted @ 2016-05-18 18:40
lris0-0
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1002: [FJOI2007]轮状病毒Time Limit: 1 Sec Memory Limit: 162 MBSubmit: 4057 Solved: 2237[Submit][Status][Discuss]Description 轮状病毒有很多变种，所... 阅读全文
posted @ 2016-05-18 17:20
lris0-0
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Aragorn's StoryTime Limit: 10000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8111 Accepted Sub... 阅读全文
posted @ 2016-05-17 19:36
lris0-0
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Toy Storage Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 5091 Accepted: 3019 DescriptionMom and dad have a prob... 阅读全文
posted @ 2016-05-17 19:18
lris0-0
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TOYSTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 13250 Accepted: 6405DescriptionCalculate the number of toys that land in... 阅读全文
posted @ 2016-05-17 18:42
lris0-0
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2060: [Usaco2010 Nov]Visiting Cows 拜访奶牛Time Limit: 3 Sec Memory Limit: 64 MBSubmit: 350 Solved: 256[Submit][Status][Discuss]Descript... 阅读全文
posted @ 2016-05-10 14:44
lris0-0
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矢量的概念：如果一条线段的端点是有次序之分的，我们把这种线段成为有向线段(directed segment)。如果有向线段p1p2的起点p1在坐标原点，我们可以把它称为矢量(vector)p2。 矢量加减法：设二维矢量P = ( x1, y1 )，Q = ( x2 ,... 阅读全文
posted @ 2016-05-07 22:07
lris0-0
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1007: [HNOI2008]水平可见直线Time Limit: 1 Sec Memory Limit: 162 MBSubmit: 5509 Solved: 2082[Submit][Status][Discuss]Description 在xoy直角坐标平... 阅读全文
posted @ 2016-05-07 20:21
lris0-0
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