Find the k-lowest elements of an unsorted array.
Intern Software Engineer Interview Questions
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1) Write a function to find the nth Fibonacci number. 2) Optimize your code so that the numbers don't have to be recalculated on consecutive function calls.
How to optimize Dijkstra's algothrim
Reverse a linked list
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Technical Interview: 100 Doors Problem
Very unexpected question: are you a US citizen?
Given a linked list, flip every pair of nodes, such that if given a-b-c-d-e, return b-a-d-c-e.
Given two different strings, find the common characters between the two. For example if string A is "hello" and string B is "elbow" the common characters would be ['e', 'l', 'o']. Give a method that returns unique or duplicate entries.
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