Describe in depth about a project you worked on from start to finish.
Software Engineer New Grad Interview Questions
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Similar to Number of Islands on Leetcode but Gecko specific
See above about the CodeSignal OA
OA 2 CodeSignal easy questions.
Standard Leetcode type Easy - Medium
Two sum Problem and check if it is a BST
For the first technical phone screen, the questions involved permutations (Scramble an array with an equal chance for every value. Return a list of all permutations of an array.).
The question was about finding unique words in an owl dictionary where words are the same meaning if one word can be derived from the other by removing exactly one letter; e.g caw and caww have the same meaning, so do caww and caaww. By transitivity relation, caw, caww, caaww all have the same meaning so comprise one unique word.
Technical questions beyond just leetcode. Actual whiteboard vs just hackerrank.
Why do you want to work at Duolingo
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