SIG (Susquehanna)Software EngineerSoftware DeveloperQuestion #5
Is 1599 a prime number?
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Compress a string such that repeated characters are replaced by the character followed by the number of repetitions. For example, given 'AAABBCC', output 'A3B2C2'.Write a method that returns a stock ticker value based on a company name found within a string of text, which may also contain random words in addition to the company name. Optimize the method for performance, assuming there could be millions of companies to search through.Given an array of integers and an integer k, find the k-th largest element in the array.Explain how hash tables work.Since the average time complexity of a hashtable is O(1), why do we still use binary search trees? Can you describe some occasions where we use a binary search tree instead of a hashtable?
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