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Find two numbers in an array whose sum equals a target using an optimized HashMap approach. One of the most frequently ...

Check whether an array contains duplicate elements using an optimized HashSet approach. This is a very common DSA interview ...

In this video, I solve the Longest Common Prefix problem from LeetCode using Java. The solution is efficient, clean, and suitable ...

LeetCode #944 explained in short.

Problem Link: https://leetcode.com/problems/number-of-smooth-descent-periods-of-a-stock Solution Link: ...

Longest Consecutive Sequence (LeetCode 128) ek high-value DSA problem hai jo coding interviews me frequently pucha jata ...

Try to find the time complexity on this one! If you don't understand the solution fully, I made a long format video going more into ...

LeetCode Daily Challenge – 944: Delete Columns to Make Sorted Looks easy? Most people overthink it. This problem is solved ...

LeetCode #2110 explained in short.

coding #dsa #java #leetcode #education #problemsolving #code #programming #timecomplexity #spacecomplexity #insightful ...

Solve LeetCode 49 – Group Anagrams using the most optimal frequency-count approach in JavaScript This method avoids ...

Check if a string is a palindrome using the two-pointer technique, ignoring spaces, special characters, and case. A very common ...

coding interview question, coding interview questions, java interview coding questions, java coding questions for interview, java ...

KthSmallestProduct #BinarySearchOnAnswer #LeetCodeHard #AdvancedDSA #JavaScriptDSA #JavaDSA #FAANGPreparation ...

Placement ki tension mat lo bolne wale bhi bolte rahenge phir next reel aayegi — 2026 me to duniya hi khatam hai ...

dsa data structures and algorithms dsa for beginners how to learn dsa data structures leetcode striver coding for beginners dsa ...

Struggling with LeetCode 3? Here is the easiest way to find the Longest Substring Without Repeating Characters using the Sliding ...