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摘要： 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

摘要： Consider the following exercise, found in a generic linear algebra textbook.LetAbe ann×nmatrix. Prove that the following statements are equivalent:Ais... 阅读全文

摘要： Katu PuzzleTime Limit:1000MSMemory Limit:65536KTotal Submissions:7391Accepted:2717DescriptionKatu Puzzle is presented as a directed graphG(V,E) with e... 阅读全文

摘要： Problem C: A Walk Through the ForestJimmy experiences a lot of stress at work these days, especially since his accident made working difficult. To rel... 阅读全文

摘要： Problem D: Airport ExpressIn a small city called Iokh, a train service,Airport-Express, takes residents to the airport more quickly than other transpo... 阅读全文

摘要： Network of SchoolsTime Limit:1000MSMemory Limit:10000KTotal Submissions:10500Accepted:4189DescriptionA number of schools are connected to a computer n... 阅读全文

摘要： The Cow PromTime Limit:1000MSMemory Limit:65536KTotal Submissions:1132Accepted:713DescriptionThe N (2 2 #include 3 #include 4 #include 5 #include ... 阅读全文

摘要： Popular CowsTime Limit:2000MSMemory Limit:65536KTotal Submissions:22189Accepted:9076DescriptionEvery cow's dream is to become the most popular cow in ... 阅读全文

摘要： BMega Man’s MissionsInputStandard InputOutputStandard OutputMega Man is off to save the world again. His objective is to kill the Robots created by Dr... 阅读全文

摘要： Traveling salesmen ofnhn. (the prestigious Korean internet company) report their current location to the company on a regular basis. They also have to... 阅读全文