Sliding window
Growing and shrinking a contiguous window to answer subarray and substring questions in one pass.
Solved
0/8
1Maximum Average Subarray Ifixed windowEasy2Contains Duplicate IIfixed window · hash setEasy3Longest Substring Without Repeating Charactersvariable window · hash mapMedium4Longest Repeating Character Replacementvariable window · frequency countMedium5Permutation in Stringfixed window · frequency countMedium6Max Consecutive Ones IIIvariable windowMedium7Minimum Window Substringvariable window · frequency countHard8Subarrays with K Different Integersvariable window · at-most trickHard