PrepCode

Sliding Window

146 problems

Techniques pattern questions across top companies

Recommended Study Guide: Sliding Window for Beginners: Universal Template & Solutions

A universal template using left and right pointers with a hash map counter. Covers fixed-length vs dynamic expanding/contracting windows.

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#3Longest Substring Without Repeating CharactersMediumhash tableNeetCodeAccentureAccoliteAdobe
#76Minimum Window SubstringHardhash tableNeetCodeAdobeAirbnbAmazon
#239Sliding Window MaximumHardarrayNeetCodeAdobeAgodaAmazon
#340Longest Substring with At Most K Distinct CharactersMediumhash tableWalkCCCAmazonAppDynamicsApple
#395Longest Substring with At Least K Repeating CharactersMediumhash tableWalkCCCAmazonBaiduBloomberg
#413Arithmetic SlicesMediumarrayWalkCCCAmazonBaiduGoogle
#424Longest Repeating Character ReplacementMediumhash tableNeetCodeAdobeAmazonBloomberg
#438Find All Anagrams in a StringMediumhash tableNeetCodeAmazonAppleBloomberg
#567Permutation in StringMediumhash tableNeetCodeAdobeAmazonApple
#594Longest Harmonious SubsequenceEasyarrayWalkCCCAmazonBloombergGoogle
#658Find K Closest ElementsMediumarrayNeetCodeAmazonAppleBloomberg
#713Subarray Product Less Than KMediumarrayNeetCodeAgodaAirbnbAmazon
#862Shortest Subarray with Sum at Least KHardarrayWalkCCCAmazonBloombergDevRev
#930Binary Subarrays With SumMediumarrayWalkCCCAmazonBloombergEY
#992Subarrays with K Different IntegersHardarrayWalkCCCAmazonBloombergCapital One
#1004Max Consecutive Ones IIIMediumarrayWalkCCCAdobeAmazonBloomberg
#1031Maximum Sum of Two Non-Overlapping SubarraysMediumarrayWalkCCCAmazonGoogleSprinklr
#1052Grumpy Bookstore OwnerMediumarrayWalkCCCAmazonBloombergCapital One
#1156Swap For Longest Repeated Character SubstringMediumhash tableWalkCCCGoogleNutanix
#1234Replace the Substring for Balanced StringMediumstringWalkCCCAccolite
#1423Maximum Points You Can Obtain from CardsMediumarrayWalkCCCAmazonBloombergExpedia
#1493Longest Subarray of 1's After Deleting One ElementMediumarrayWalkCCCAmazonBloombergGoogle
#1610Maximum Number of Visible PointsHardarrayWalkCCCAmazonAndurilAurora
#1652Defuse the BombEasyarrayWalkCCCAkamaiAmazonBloomberg
#1838Frequency of the Most Frequent ElementMediumarrayWalkCCCAmazonBloombergGoldman Sachs
#2009Minimum Number of Operations to Make Array ContinuousHardarrayWalkCCCAmazonBloombergGoogle
#2107Number of Unique Flavors After Sharing K CandiesMediumarrayWalkCCCMicrosoftciena
#2269Find the K-Beauty of a NumberEasymathWalkCCCGooglePostmatesQuora
#2379Minimum Recolors to Get K Consecutive Black BlocksEasystringWalkCCCAmazonGoogleHP
#2444Count Subarrays With Fixed BoundsHardarrayWalkCCCAdobeAmazonGoogle
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