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joan333
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poj 1844 Sum
DescriptionConsider the natural numbers from 1 to N. By associating to each number a sign (+ or -) and calculating the value of this express原创 2011-07-22 10:35:53 · 463 阅读 · 0 评论 -
poj 1401 Factorial
DescriptionThe most important part of a GSM network is so called Base Transceiver Station (BTS). These transceivers form the areas called ce原创 2011-07-22 10:53:11 · 258 阅读 · 0 评论 -
poj 2309 BST
DescriptionConsider an infinite full binary search tree (see the figure below), the numbers in the nodes are 1, 2, 3, .... In a subtree whos原创 2011-07-22 10:14:11 · 447 阅读 · 0 评论 -
poj 3224 Go for Lab Cup!
DescriptionThe Lab Cup Table Tennis Competition is going to take place soon among laboratories in PKU. Students from the AI Lab are all extr原创 2011-07-22 09:15:37 · 477 阅读 · 0 评论