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Given initially empty stacks, there are three types of operations: 1 s v: Push the value onto the top of the -th stack. 2 s: Pop the topmost value out 阅读全文
posted @ 2018-04-13 12:12
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A tree is a well-known data structure that is either empty (null, void, nothing) or is a set of one or more nodes connected by directed edges between 阅读全文
posted @ 2018-04-13 12:03
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The prototypical computer adventure game, first designed by Will Crowther on the PDP-10 in the mid-1970s as an attempt at computer-refereed fantasy ga 阅读全文
posted @ 2018-04-13 11:14
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