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[POJ3096]Surprising Strings 试题描述 The D-pairs of a string of letters are the ordered pairs of letters that are distance D from each other. A string is 阅读全文
posted @ 2016-11-26 22:58
xjr01
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[POJ1068]Parencodings 试题描述 Let S = s1 s2...s2n be a well-formed string of parentheses. S can be encoded in two different ways: q By an integer sequenc 阅读全文
posted @ 2016-11-26 22:26
xjr01
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[POJ3295]Tautology 试题描述 WFF 'N PROOF is a logic game played with dice. Each die has six faces representing some subset of the possible symbols K, A, N 阅读全文
posted @ 2016-11-26 12:05
xjr01
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[POJ2586]Y2K Accounting Bug 试题描述 Accounting for Computer Machinists (ACM) has sufferred from the Y2K bug and lost some vital data for preparing annual 阅读全文
posted @ 2016-11-26 11:22
xjr01
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[POJ2109]Power of Cryptography 试题描述 Current work in cryptography involves (among other things) large prime numbers and computing powers of numbers amo 阅读全文
posted @ 2016-11-26 10:47
xjr01
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[POJ1328]Radar Installation 试题描述 Assume the coasting is an infinite straight line. Land is in one side of coasting, sea in the other. Each small islan 阅读全文
posted @ 2016-11-26 10:05
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