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Gappu has a very busy weekend ahead of him. Because, next weekend is Halloween, and he is planning to attend as many parties as he can. Since it's Hal 阅读全文
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Description The multiplication puzzle is played with a row of cards, each containing a single positive integer. During the move player takes one card 阅读全文
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Description We give the following inductive definition of a “regular brackets” sequence: the empty sequence is a regular brackets sequence, if s is a 阅读全文
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B. The least round way time limit per test 2 seconds memory limit per test 64 megabytes input standard input output standard output B. The least round 阅读全文
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Description A Bank plans to install a machine for cash withdrawal. The machine is able to deliver appropriate @ bills for a requested cash amount. The 阅读全文