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2019-08-03 20:31:37 Binary trees are defined recursively. A binary tree T is a structure defined on a finite set of nodes that either contains no node 阅读全文
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2019-08-03 19:52:58 A rooted binary tree is a tree with a root node in which every node has at most two children. Your task is to write a program whic 阅读全文
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2019-07-29 09:01:06 A PARTY A company has n employees numbered from 1 to n. Each employee either has no immediate manager or exactly one immediate man 阅读全文
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2019-07-18 09:15:34 这个是练习刷的题 Vus the Cossack and Numbers Vus the Cossack has nn real numbers aiai. It is known that the sum of all numbers is equal to 阅读全文