Coders Crushby Napplied AI

Data Structures & Algorithms

100+ curated problems from top tech interviews

AllArrays & HashingTwo PointersSliding WindowStack & QueueBinary SearchLinked ListsTreesTriesHeap / Priority QueueGraphsDynamic ProgrammingBacktrackingGreedyIntervalsMath & GeometryBit Manipulation

4 problems found

Number of 1 Bits

EasyBit Manipulation

Count 1 bits in integer...

O(1) / O(1)
Google, Microsoft

Reverse Bits

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Coders Crush by Napplied AI - Tech Interview & Coding Should Be Effortless

EasyBit Manipulation

Reverse bits of integer...

O(1) / O(1)
Microsoft, Amazon

Single Number

EasyBit Manipulation

Find single number in array...

O(n) / O(1)
Google, Amazon

Bitwise AND of Range

MediumBit Manipulation

Bitwise AND of range...

O(log n) / O(1)
Google, Facebook