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AVAILABLE EXERCISES:
Exercise 9
Bitwise operations (bit-ops)
Exercise 8
Frontend
Exercise 7
Data Structures
Exercise 6
SQL
Exercise 5
Coding skills
Exercise 4
Algorithmic skills
Exercise 3
2017 Contest
Exercise 2
2016 Contest
Exercise 1
2015 Contest
Exercise 3

2017 Contest

Tasks:

elementary

TennisTournament

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Given the numbers of players and available courts, calculate the maximum number of parallel tennis games.
medium

SocksLaundering

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From drawers containing both clean and dirty socks, choose socks to launder in order to obtain the maximum number of clean pairs of socks.
hard

ArrayRecovery

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Recover a broken array using partial information in another array.
hard

DiamondsCount

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Given points on a plane, count the number of sets of four points that form regular diamonds.