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摘要： Arctic NetworkTime Limit: 2000MSMemory Limit: 65536KTotal Submissions: 6645Accepted: 2270DescriptionThe Department of National Defence (DND) wishes to connect several northern outposts by a wireless network. Two different communication technologies are to be used in establishing the network: every o 阅读全文

摘要： TautologyTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 6949Accepted: 2653DescriptionWFF 'N PROOF is a logic game played with dice. Each die has six faces representing some subset of the possible symbols K, A, N, C, E, p, q, r, s, t. A Well-formed formula (WFF) is any string of these s 阅读全文