Describe and code an algorithm that returns the first duplicate character in a string?
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In a given sorted array of integers remove all the duplicates.
how can a particular application be tested apart from testing its functionality
Given a string (understood to be a sentence), reverse the order of the words. "Hello world" becomes "world Hello"
Write code in your favorite programming language that will accept two strings and return true if they are anagrams.
how would you move mount fuji?
Given a number find it is one less than the power of two.
Given a set of numbers -50 to 50, find all pairs that add up to a certain sum that is passed in. What's the O notation for what you just wrote? Can you make it faster? Can you find an O(n) solution? Implement the O(n) solution
I was asked a pretty straight forward brain teaser during my last phone interview, which they said they don't normally do, but because I put that I was a logical problem solver on my resume they couldn't resist the opportunity to. It was the following "There are 20 different socks of two types in a drawer in a completely dark room. What is the minimum number of socks you should grab to ensure you have a matching pair?"
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