摘要:
Two soldiers are playing a game. At the beginning first of them chooses a positive integer n and gives it to the second soldier. Then the second one t 阅读全文
posted @ 2018-03-12 15:42
nimphy
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摘要:
Mad scientist Mike has constructed a rooted tree, which consists of n vertices. Each vertex is a reservoir which can be either empty or filled with wa 阅读全文
posted @ 2018-03-12 08:45
nimphy
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