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- ChallengesNew
Sliding window coding challenges
Practise sliding window with 3 coding challenges, from easy to hard. Every challenge runs in your browser with instant tests, an AI review of your code and community solutions to compare.
Medium · 1 Hard · 2
Skills you'll practise: Digit stringsFixed-size windowsFrequency mapsGrow and shrink windowsMonotonic dequeO(n) windows
- Python · C++ · C#
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- AI code review
- Community solutions
- 226
- Challenges
- 2
- Solutions shared
- 3
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All challenges
Search by topic, language, or difficulty.
Hard
Minimum Window Substring
Find the shortest piece of text containing all required characters.
You'll learn
Grow and shrink windowsFrequency maps
No solutions yet
Hard
Sliding Window Maximum
Report the maximum of every window of k numbers.
You'll learn
Monotonic dequeO(n) windows
No solutions yet
Medium
Largest Adjacent-Digit Product
Take every contiguous window of span digits and multiply its digits.
You'll learn
Fixed-size windowsDigit strings
No solutions yet
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