Sliding Window Interview Questions

Master 15 sliding window problems frequently asked in technical interviews. These questions test your understanding of sliding windowconcepts and are essential for coding interview success.

Total Problems

Easy

Medium

Hard

Maximum Beauty of an Array After Applying Operation

Asked at Salesforce

Array Binary Search Sliding Window Sorting

Rank

#1046MediumFrequency: 91%

Max Consecutive Ones III

Asked at Oracle

Array Binary Search Sliding Window Prefix Sum

Rank

#1423MediumFrequency: 91%

Maximum Number of Occurrences of a Substring

Asked at Infosys

Hash Table String Sliding Window

Rank

#3MediumFrequency: 84%

Longest Substring Without Repeating Characters

Asked at Microsoft

Hash Table String Sliding Window

Rank

#424MediumFrequency: 82%

Longest Repeating Character Replacement

Asked at Apple

Hash Table String Sliding Window

Rank

#1966MediumFrequency: 79%

Frequency of the Most Frequent Element

Asked at Salesforce

Array Binary Search Greedy Sliding Window Sorting Prefix Sum

Rank

#658MediumFrequency: 72%

Find K Closest Elements

Asked at Infosys

Array Two Pointers Binary Search Sliding Window Sorting Heap (Priority Queue)

Rank

#1549MediumFrequency: 67%

Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit

Asked at Salesforce

Array Queue Sliding Window Heap (Priority Queue)Ordered Set Monotonic Queue

Rank

#2868MediumFrequency: 60%

Continuous Subarrays

Asked at Google

Array Queue Sliding Window Heap (Priority Queue)Ordered Set Monotonic Queue

Rank

#76HardFrequency: 60%

Minimum Window Substring

Asked at Meta

Hash Table String Sliding Window

#10

Rank

#1586MediumFrequency: 60%

Longest Subarray of 1's After Deleting One Element

Asked at Infosys

Array Dynamic Programming Sliding Window

#11

Rank

#567MediumFrequency: 55%

Permutation in String

Asked at Microsoft

Hash Table Two Pointers String Sliding Window

#12

Rank

#1034HardFrequency: 50%

Subarrays with K Different Integers

Asked at DoorDash

Array Hash Table Sliding Window Counting

#13

Rank

#239HardFrequency: 45%

Sliding Window Maximum

Asked at Amazon

Array Queue Sliding Window Heap (Priority Queue)Monotonic Queue

#14

Rank

#2552MediumFrequency: 21%

Maximum Sum of Distinct Subarrays With Length K

Asked at DoorDash

Array Hash Table Sliding Window

#15

Rank

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Sliding Window Interview Questions

Master 15 sliding window problems frequently asked in technical interviews. These questions test your understanding of sliding windowconcepts and are essential for coding interview success.

Total Problems

Easy

Medium

Hard