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1.题目Suppose that all the keys in a binary tree are distinct positive integers. Given the preorder and inor... 阅读全文
posted @ 2020-03-23 18:40
Jason66661010
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1.题目For a student taking the online course "Data Structures" on China University MOOC (http://www.icourse1... 阅读全文
posted @ 2020-03-23 10:59
Jason66661010
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1.题目Consider a positive integer N written in standard notation with k+1 digits ai as ak⋯a1a0 w... 阅读全文
posted @ 2020-03-23 10:58
Jason66661010
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1.题目A clique is a subset of vertices of an undirected graph such that every two distinct vertices in the c... 阅读全文
posted @ 2020-03-23 10:48
Jason66661010
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1.题目After each PAT, the PAT Center will announce the ranking of institutions based on their students' perf... 阅读全文
posted @ 2020-03-23 10:42
Jason66661010
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1.题目A registration card number of PAT consists of 4 parts:the 1st letter represents the test level, namely... 阅读全文
posted @ 2020-03-23 10:39
Jason66661010
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1.题目In July 2004, Google posted on a giant billboard along Highway 101 in Silicon Valley (shown in the pic... 阅读全文
posted @ 2020-03-23 10:38
Jason66661010
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1.题目The lowest common ancestor (LCA) of two nodes U and V in a tree is the deepest node that has both U an... 阅读全文
posted @ 2020-03-23 10:36
Jason66661010
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