Top Problems on Sliding Window Technique for Interviews Last Updated : 23 Jul, 2025 Comments Improve Suggest changes 1 Likes Like Report The Sliding Window Technique is a powerful algorithmic approach used to solve problems involving arrays or lists where a subarray or subsequence is required to be analyzed. This technique allows you to reduce the time complexity of problems that would typically involve nested loops, by maintaining a "window" of elements and sliding it across the array. The window can either expand or shrink based on certain conditions, which helps in optimizing the solution.Easy ProblemsMaximum sum of a subarray of size kSmallest window containing 0, 1 and 2Check if Permutation of Pattern is SubstringCount Strictly Increasing Subarrays Remove Consecutive CharactersMaximum sum of subarray <= xMedium ProblemsLongest substring with distinct characters Substrings with K Distinct Maximum Fruits in Two BasketsSubstrings of length k with k-1 distinct elementsMinimum Removals for Target SumLongest Repeating Character ReplacementBinary subarray with sumSubarrays Product Less than KCount Occurrences of AnagramsLargest sum subarray of size at least kCount Distinct Elements In Every Window of Size K Subarray with given sum First negative integer in every window of size k Longest Subarray With Sum KSmallest window that contains all characters of string itself Smallest window in a String containing all characters of other String Equivalent Sub-Arrays Hard ProblemsMaximum of minimum for every window sizeLongest Substring with K UniquesMinimum Window Substring Largest sum subarray with at-least k numbers Comment U ujjwalroq0 Follow 1 Improve U ujjwalroq0 Follow 1 Improve Article Tags : DSA sliding-window Explore DSA FundamentalsLogic Building Problems 2 min read Analysis of Algorithms 1 min read Data StructuresArray Data Structure 3 min read String in Data Structure 2 min read Hashing in Data Structure 2 min read Linked List Data Structure 2 min read Stack Data Structure 2 min read Queue Data Structure 2 min read Tree Data Structure 2 min read Graph Data Structure 3 min read Trie Data Structure 15+ min read AlgorithmsSearching Algorithms 2 min read Sorting Algorithms 3 min read Introduction to Recursion 15 min read Greedy Algorithms 3 min read Graph Algorithms 3 min read Dynamic Programming or DP 3 min read Bitwise Algorithms 4 min read AdvancedSegment Tree 2 min read Binary Indexed Tree or Fenwick Tree 15 min read Square Root (Sqrt) Decomposition Algorithm 15+ min read Binary Lifting 15+ min read Geometry 2 min read Interview PreparationInterview Corner 3 min read GfG160 3 min read Practice ProblemGeeksforGeeks Practice - Leading Online Coding Platform 6 min read Problem of The Day - Develop the Habit of Coding 5 min read Like