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Description魔术师的桌子上有n个杯子排成一行，编号为1,2,…,n，其中某些杯子底下藏有一个小球，如果你准确地猜出是哪些杯子，你就可以获得奖品。花费c_ij元，魔术师就会告诉你杯子i,i+1,…,j底下藏有球的总数的奇偶性。采取最优的询问策略，你至少需要花费多少元，才能保证猜出哪些杯子底下... 阅读全文
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D. Red-Green Towerstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere arerred andggreen block... 阅读全文
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C. Table Decorationstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou haverred,ggreen andbblue ... 阅读全文
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B. Random Teamstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputnparticipants of the competition w... 阅读全文
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A. Expressiontime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputPetya studies in a school and he ado... 阅读全文
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C. Examstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputStudent Valera is an undergraduate studen... 阅读全文
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D. Long Jumpstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputValery is a PE teacher at a school i... 阅读全文
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E. Riding in a Lifttime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputImagine that you are in a bui... 阅读全文
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A. Initial Bettime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere are five people playing a gam... 阅读全文