Not really sure about the index data structure. I thought only array or hashtable can give the direct index to access. Still don't know why tree can give the same kind of indexing as hashtable.
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Reversing a linked list of characters while keeping words in tact.
What's an interface in OOP?
Name 5 datastructures.
General resume, what is your favorite class?
How would you gather input from users (name, dob, address) and reprocate the same as output?
Write ArrayList in Java.
After given clearly definition of UTF-8 format. ex: 1-byte: 0b0xxxxxxx 2- bytes:.... Asked to write a function to validate whether the input is valid UTF-8. Input will be string/byte array, output should be yes/no.
OA: focus on greedy algorithms Interviews: Text message chunking, Minesweeper score
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