How would you find a duplicate number in a very large unsorted array of ints.
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Find the first non-repeating character in a string
Write a program to reverse words in a string
Write a query to get the required data regarding employees.
1. find-all-anagrams-in-a-string 2. find common ancestor for a n-ary tree These two questions have to use JAVA to solve.
I don't remember. Asked me how I could improve my code a lot and how I could make it more efficient.
find subarray at a given length with the maximum average
How would you reverse a the words in a string? (Be able to defend answer)
Find the first non-repeating character in a string.
Union of n arrays with x elements. Output common members contained in at least 2 arrays. Explain the complexity of the algorithm used. We have a digested server log with username, visited page and timestamp. Create a processing algorithm that will output the most visited page/areas in such a way that will match partial path as well. i.e. { { user: "user1", page="/home" }, { user: "user1", page="/home/account" }, { user: "user1", page="/home/account/profile" }, { user: "user1", page="/home/account/login" }, { user: "user2", page="/about" }, { user: "user2", page="/about/contact" }, { user: "user2", page="/home" } } the output user1 - home/account - home user2 - /about PS I'm rephrasing because I cannot recall exactly the question
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