Coding round : If A,B,C are 3 non-zero digits(1-9), find all combinations of A,B,C such that AB * AB = CAB.
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Remove all characters of a string from another string. The algorithm should be less than O(m*n) where m & n are lengths of strings and the space used should be less than O(m+n).
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Given a 2D array, find the sum of all the elements in the array. O(n^2) solution is too slow, find ways to optimize (ended up adding a second parameter 2D array).
Write a function to calculate build order given a project with a list of dependencies that also need to be built
Q: Implement one part of a three-part problem - have a general idea of important algorithms and know how to use data structures! Work efficiently and start off getting something brute force and simple working, and then optimize later.
Programming question - check if string has balanced brackets, firstly with "()" only and thereafter adding all other brackets such as "[]{}<>".
based on user input, return an updating list of us cities as the user types. example: user input = s return= san fran, san antonio, seattle.... user input = e return = seattle, seguela, sebba... and so on
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Find top k largest numbers in array in O(n) time
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