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2072. Kirill the Gardener 3Time limit: 2.0 secondMemory limit: 64 MBKirill the gardener has got a new task. He has to water the flowers growing on the 阅读全文
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E. Getting Deals Done time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output E. Getting Deals D 阅读全文
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Buber is a Berland technology company that specializes in waste of investor's money. Recently Buber decided to transfer its infrastructure to a cloud. 阅读全文
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Given a tree with n vertices, we want to add an edge between vertex 1 and vertex x, so that the sum of d(1, v) for all vertices v in the tree is minim 阅读全文
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E. Packmentime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputA game field is a strip of 1 × n square 阅读全文
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A. Automatic Door time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There is an automatic d 阅读全文