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Antenna PlacementTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 5645Accepted: 2825DescriptionThe Global Aerial Research Centre has been allotted the task of building the fifth generation of ... 阅读全文
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Milking CowsThree farmers rise at 5 am each morning and head for the barn to milk three cows. The first farmer begins milking his cow at time 300 (measured in seconds after 5 am) and ends at time 1000... 阅读全文
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最小点覆盖数==最大匹配数AsteroidsTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 12678Accepted: 6904DescriptionBessie wants to navigate her spaceship through a dangerous asteroid field in the shape of ... 阅读全文
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二分图最大匹配的K?nig定理及其证明 本文将是这一系列里最短的一篇，因为我只打算把K?nig定理证了，其它的废话一概没有。 以下五个问题我可能会在以后的文章里说，如果你现在很想知道的话，网上去找找答案： 1. 什么是二分图； 2. 什么是二分图的匹配； 3. 什么是匈牙利算法；(http://www.matrix67.com/blog/article.asp?id... 阅读全文