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Road ConstructionTime Limit:2000MSMemory Limit:65536KTotal Submissions:8647Accepted:4318DescriptionIt's almost summer time, and that means that it's a... 阅读全文
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Ikki's Story IV - Panda's TrickTime Limit:1000MSMemory Limit:131072KTotal Submissions:7821Accepted:2892Descriptionliympanda, one of Ikki’s friend, lik... 阅读全文
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Seikimatsu Occult TonneruProblem DescriptionDuring the world war, to avoid the upcoming Carpet-bombing from The Third Reich, people in Heaven Empire w... 阅读全文
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Ignatius's puzzleProblem DescriptionIgnatius is poor at math,he falls across a puzzle problem,so he has no choice but to appeal to Eddy. this problem ... 阅读全文
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Problem B: The Largest CliqueGiven a directed graphG, consider the following transformation. First, create a new graphT(G)to have the same vertex set ... 阅读全文