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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 7
Data Structures
Tasks:
easy
ArrListLen
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Compute length of a single-link list encoded in an array.
medium
CountBoundedSlices
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Calculate the number of slices in which (maximum - minimum <= K).
medium
TreeLongestZigZag
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Given a tree, find a downward path with the maximal number of direction changes.
hard
CountriesCount
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Count the number of different countries that a map contains.