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In this video, I explain LeetCode Problem 21 (Merge Two Sorted Lists) using Java with an easy step-by-step approach. What ...

Update: Time Complexity will be O(n*m*m)*logm (we need to consider the gcd function as well) Problem Link: ...

Problem Link: https://leetcode.com/problems/maximum-element-after-decreasing-and-rearranging Solution Link: ...

Problem Link: https://leetcode.com/problems/sequential-digits Solution Link: ...

Problem Link: https://leetcode.com/problems/concatenate-non-zero-digits-and-multiply-by-sum-ii Solution Link: ...

Problem Link: https://leetcode.com/problems/path-existence-queries-in-a-graph-i Solution Link: ...

In this video, I explain LeetCode 1760 - Minimum Limit of Balls in a Bag using Binary Search. Topics Covered: ✓ Problem ...

This was pretty difficult to explain, I have tried my best . Please add responsible comments or feedback. Problem Link: ...

In this video, I explain LeetCode 62 - Unique Paths using Dynamic Programming. Topics Covered: ✓ Problem Explanation ...

3Sum looks like a hard three-loop problem — until you see the trick. In this video we turn 3Sum (LeetCode 15) into a simple Two ...

Problem Link: https://leetcode.com/problems/count-the-number-of-complete-components Solution Link: ...

Problem Link: https://leetcode.com/problems/number-of-substrings-containing-all-three-characters Solution Link: ...

Problem Link: https://leetcode.com/problems/find-the-maximum-number-of-elements-in-subset Solution Link: ...

Problem Link: https://leetcode.com/problems/angle-between-hands-of-a-clock/ Solution Link: ...

Problem Link: https://leetcode.com/problems/maximum-ice-cream-bars Solution Link: ...

Problem Link: https://leetcode.com/problems/count-subarrays-with-majority-element-ii/ Solution Link: ...

Problem Link: https://leetcode.com/problems/maximum-building-height Solution Link: ...

Problem Link: https://leetcode.com/problems/delete-the-middle-node-of-a-linked-list Solution Link: ...