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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 9

Bitwise operations (bit-ops)

Tasks:

easy

BinaryGap

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Find longest sequence of zeros in binary representation of an integer.
medium

CountConformingBitmasks

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Count 30-bit bitmasks conforming to at least one of three given 30-bit bitmasks.
hard

SparseBinaryDecomposition

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Decompose int into sum of ints having no consecutive 1s in binary form.