PRACTICE

Sliding Window Interview Questions

26 Sliding Window problems asked across FAANG and top tech companies. Approach hints, optimal solutions, and related problems.

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Companies

Amazon7Meta6Microsoft5Walmart5Netflix4Apple3DE Shaw3Google3JPMorgan3Salesforce3TikTok3Atlassian2Goldman Sachs2LinkedIn2NVIDIA2Oracle2Rippling2Uber2Adobe1Anduril1Bloomberg1Capital One1Databricks1Visa1+12 more

Topics

Array 240Hash Table 113String 112Depth-First Search 73Sorting 66Dynamic Programming 65Breadth-First Search 56Math 49Design 46Binary Search 44Greedy 43Tree 41Two Pointers 39Heap 35Stack 32Graph 28Matrix 28Sliding Window 26Binary Tree 23Backtracking 22Bit Manipulation 20Prefix Sum 20Simulation 20Union Find 19Linked List 18Queue 13Trie 12Counting 10Recursion 10Divide and Conquer 9Monotonic Stack 9Ordered Set 9Topological Sort 9Data Stream 8Database 6Enumeration 6Binary Search Tree 5Doubly-Linked List 5Geometry 5+22 more

✓ 0ProblemsDifficultyAsked atPractice

3.Longest Substring Without Repeating Characters

Hash TableStringSliding Window

Medium+13▶ Mock

Medium

+13

🔒 LeetCode▶ Mock

438.Find All Anagrams in a String

Hash TableStringSliding Window

Medium+2▶ Mock

Medium

+2

🔒 LeetCode▶ Mock

567.Permutation in String

Hash TableTwo PointersString

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

76.Minimum Window Substring

Hash TableStringSliding Window

Hard▶ Mock

Hard

🔒 LeetCode▶ Mock

239.Sliding Window Maximum

ArrayQueueSliding Window

Hard+2▶ Mock

Hard

+2

🔒 LeetCode▶ Mock

904.Fruit Into Baskets

ArrayHash TableSliding Window

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

424.Longest Repeating Character Replacement

Hash TableStringSliding Window

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

219.Contains Duplicate II

ArrayHash TableSliding Window

Easy▶ Mock

Easy

🔒 LeetCode▶ Mock

1839.Longest Substring Of All Vowels in Order

StringSliding Window

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

220.Contains Duplicate III

ArraySliding WindowSorting

Hard▶ Mock

Hard

🔒 LeetCode▶ Mock

2444.Count Subarrays With Fixed Bounds

ArrayQueueSliding Window

Hard▶ Mock

Hard

🔒 LeetCode▶ Mock

658.Find K Closest Elements

ArrayTwo PointersBinary Search

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

1438.Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit

ArrayQueueSliding Window

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

1004.Max Consecutive Ones III

ArrayBinary SearchSliding Window

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

643.Maximum Average Subarray I

ArraySliding Window

Easy▶ Mock

Easy

🔒 LeetCode▶ Mock

209.Minimum Size Subarray Sum

ArrayBinary SearchSliding Window

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

2461.Maximum Sum of Distinct Subarrays With Length K

ArrayHash TableSliding Window

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

3090.Maximum Length Substring With Two Occurrences

Hash TableStringSliding Window

Easy▶ Mock

Easy

🔒 LeetCode▶ Mock

3634.Minimum Removals to Balance Array

ArrayBinary SearchSliding Window

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

3413.Maximum Coins From K Consecutive Bags

ArrayBinary SearchGreedy

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

713.Subarray Product Less Than K

ArrayBinary SearchSliding Window

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

340.Longest Substring with At Most K Distinct Characters

Hash TableStringSliding Window

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

1248.Count Number of Nice Subarrays

ArrayHash TableMath

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

1297.Maximum Number of Occurrences of a Substring

Hash TableStringSliding Window

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

1610.Maximum Number of Visible Points

ArrayMathGeometry

Hard▶ Mock

Hard

🔒 LeetCode▶ Mock

3208.Alternating Groups II

ArraySliding Window

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock