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Problem:Given an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.Credits:Special thank... 阅读全文
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Problem:Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as theHamming weight).For example, the 3... 阅读全文
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Problem:Design a data structure that supports the following two operations:void addWord(word)bool search(word)search(word) can search a literal word o... 阅读全文