Check if Duplicates Exist Within K Manhattan Distance in Matrix

Count reverse pairs in two individually sorted parts of an array

May 21, 2025 · 7 min ·  Tags List of tags for the post   array-algo ·  sorted-array ·  Last updated: Aug 2, 2025

Find All Elements Appearing More Than Size by k Times in Array

Find Even Occurring Element

Find Largest element in array

May 21, 2025 · 3 min ·  Tags List of tags for the post   array-algo ·  max ·  Last updated: Sep 1, 2025

Find longest Snake sequence in a given matrix

Find the median in a row-wise sorted 2D matrix

First Duplicate Character in a String

First duplicate element in an array by its index

First Unique element in an array

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