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Description Before ACM can do anything, a budget must be prepared and the necessary financial support obtained. The main income for this action com... 阅读全文
posted @ 2014-09-27 13:36
星斗万千
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Description Farmer John recently bought another bookshelf for the cow library, but the shelf is getting filled up quite quickly, and now the only a... 阅读全文
posted @ 2014-09-27 13:00
星斗万千
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Description Write a program that takes as input a rooted tree and a list of pairs of vertices. For each pair (u,v) the program determines the closes... 阅读全文
posted @ 2014-09-27 12:05
星斗万千
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Description You, as a member of a development team for a new spell checking program, are to write a module that will check the correctness of given... 阅读全文
posted @ 2014-09-27 11:31
星斗万千
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Description We all love recursion! Don't we? Consider a three-parameter recursive function w(a, b, c): if a 20 or b > 20 or c > 20, then w(a,... 阅读全文
posted @ 2014-09-27 09:30
星斗万千
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