04:51

3227. Vowels Game in a String | Greedy | Strings

10:46

3228. Maximum Number of Operations to Move Ones to the End | Greedy | Two Pointers

24:51

3229. Minimum Operations to Make Array Equal to Target | Greedy | With Proof

16:46

2392. Build a Matrix With Conditions | Topological Sort | Graph | Easy & Clean Code

05:51

3223. Minimum Length of String After Operations | Hash Map | Strings

37:15

3224. Minimum Array Changes to Make Differences Equal | Prefix Sums | Why not Greedy

12:05

1605. Find Valid Matrix Given Row and Column Sums | Greedy | With Proof

22:15

1380. Lucky Numbers in a Matrix | 4 Approaches | Brute - Better - Optimal - Optimal++ | Arrays

22:35

1530. Number of Good Leaf Nodes Pairs | LCA | BFS | DFS | 4 Approaches

12:33

1110. Delete Nodes And Return Forest | DFS | Tree | Google's Favourite

15:13

2096. Step-By-Step Directions From a Binary Tree Node to Another | LCA | Backtracking | 2 Pointers

16:37

236. Lowest Common Ancestor of a Binary Tree | [Super Important] | LCA of Binary Tree

07:32

2196. Create Binary Tree From Descriptions | Tree | Hash Map @codeWithAryanBhai

14:05

3218 & 3219. Minimum Cost for Cutting Cake II & I | Greedy | Sorting @codeWithAryanBhai

32:05

726. Number of Atoms | Stack | Pre-processing | O(nlogn) time | 2 Approaches @codeWithAryanBhai

19:30

2751. Robot Collisions | Stack | Sorting | Not Hard 🫡

29:44

1717. Maximum Score From Removing Substrings | Why not DP | Greedy | Stack | 2 Pointer | 2 Approach

20:00

1190. Reverse Substrings Between Each Pair of Parentheses | StacK | Wormhole Teleportation technique

35:28

3213. Construct String with Minimum Cost | DP + Trie | ! Aho-Corasick Algorithm Explanation

06:15

1598. Crawler Log Folder | Stack | Array | O(1) Space

13:21

1701. Average Waiting Time | Simulation | Array

17:37

1823. Find the Winner of the Circular Game | Queue | Recursion | Math | 3 Approaches

14:54

1518. Water Bottles | O(1) time | Math | 2 Approaches

12:15

3207. Maximum Points After Enemy Battles | Sorting | Greedy

16:32

3206 & 3208. Alternating Groups II | 3206. Alternating Groups I | Not Sliding Window

22:05

3209. Number of Subarrays With AND Value of K | Bit Manipulation | Arrays | Hash Map

18:07

2058. Find the Minimum and Maximum Number of Nodes Between Critical Points | Greedy | Linked List

15:11

2181. Merge Nodes in Between Zeros | Linked List | How to Write Linked List Code

14:30

1509. Minimum Difference Between Largest and Smallest Value in Three Moves | Heap | Sorting | Greedy

37:26

3201, 3202. Find the Maximum Length of Valid Subsequence II | | Math | DP | LIS Similar

23:43

3203. Find Minimum Diameter After Merging Two Trees | Diameter of a Tree | Graph

23:19

2192. All Ancestors of a Node in a Directed Acyclic Graph | Topological Sort | Merge Two Sorted List

11:34

2285. Maximum Total Importance of Roads | Greedy | Indegree OutDegree | Graph

06:02

1791. Find Center of Star Graph | Indegree - Outdegree | Microsoft

34:49

1382, 108 Balance a Binary Search Tree | Day-Stout-Warren (DSW) Algorithm | In-Place Balancing

34:27

1038. Binary Search Tree to Greater Sum Tree | Recursive | Iterative | Morris Traversal

35:03

995, 3191, 3192 Minimum Number of K Consecutive Bit Flips | Bit Manipulation | Sliding Wind | Greedy

21:04

3196. Maximize Total Cost of Alternating Subarrays | DP | 0/1 Knapsack

43:44

1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | 3 Approaches

56:26

3193. Count the Number of Inversions | DP Time Complexity | Two Pointer | DP Space Optimized

09:42

1248. Count Number of Nice Subarrays | Prefix Sums | Sliding Window | Same as Leetcode 930

12:49

1052. Grumpy Bookstore Owner | Sliding Window | Walmart Labs | EPAM Systems

15:13

1552. Magnetic Force Between Two Balls | Binary Search on Answer | Greedy

17:55

1482. Minimum Number of Days to Make m Bouquets | Binary Search | Problem Statement 🤡 Problem 🗿

26:18

826. Most Profit Assigning Work | 5 Approaches | Greedy | Binary S | Priority Queue | 2 Pointer | DP

15:49

633. Sum of Square Numbers | Math | 2 Pointer | Binary Search | Two Sum

11:42

3185. & 3184 Count Pairs That Form a Complete Day II | Same as Two Sum | Modulo Operation

20:39

3186. Maximum Total Damage With Spell Casting | DP + Binary Search | Same as LIS

18:06

3187. Peaks in Array | Segment Tree | Range Sum | 2 Line Change in Template | Fenwick Tree

23:19

330. Patching Array | Greedy | Array | Math | Why not Bitset Trick

23:57

502. IPO | Greedy | Priority Queue | Sorting | Zeta | Salesforce | Amazon

19:49

945. Minimum Increment to Make Array Unique | Greedy | Counting Sort

12:40

2037. Minimum Number of Moves to Seat Everyone | Greedy | Counting Sort

20:21

75. Sort Colors | 2 Pointers | Super Important Interview Question | 100Days 100K Placements

09:06

1122. Relative Sort Array | Counting Sort Deep | Map | 2 Approaches | Amazon | Apple | De shaw

12:07

1051. Height Checker | All form of Sort Complexity | Counting Sort

09:30

3178. Find the Child Who Has the Ball After K Seconds | Math | Cyclic Math Pattern

07:51

3179. Find the N-th Value After K Seconds | Pascal's Triangle | DP | Bottom Up Optimised DP

51:22

3181 & 3180 | BitSet Crash Course | DP | 3181. Maximum Total Reward Using Operations II & I

17:19

974. Subarray Sums Divisible by K | PrefSum | Not an Easy Problem