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Problem Definition: Design a stack that supports push, pop, top, and retrieving the minimum element in constant time.push(x) -- Push element x onto s... 阅读全文
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Problem Definition:Write a program to find the node at which the intersection of two singly linked lists begins.For example, the following two linked ... 阅读全文
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Problem Definition: Compare two version numbers version1 and version2. If version1 > version2 return 1, if version1 f2 else (-1 if f1b a=[1] b=[0,2... 阅读全文