LLD Crash Course for Freshers, SDE-I, SDE-II, SSE-I, SSE-II | Complete Guide
489. Robot Room Cleaner | Leetcode Premium | DFS | Backtracking
2503. Maximum Number of Points From Grid Queries | Heap+BFS
2780. Minimum Index of a Valid Split | Boyer-Moore Majority Voting Algorithm
2115. Find All Possible Recipes from Given Supplies | Topological Sort
2560. House Robber IV | Binary Search on Answer
3356. Zero Array Transformation II | Diff Array | Binary Search | Two Pointers | 2 Approaches
3306. Count of Substrings Containing Every Vowel and K Consonants II | Two Pointers (Excatly K)
3477 & 3479. Fruits Into Baskets III & II | Segment Tree
2523. Closest Prime Numbers in Range | Sieve | Prime Numbers | 2 Approaches
3473. Sum of K Subarrays With Length at Least M | Top-Down | Bottom Up DP | Bottom Up Optimised
3472. Longest Palindromic Subsequence After at Most K Operations | DP | Cyclic Behaviour
3469. Find Minimum Cost to Remove Array Elements | DP (Memoization)
1092. Shortest Common Supersequence | Recursion - Greedy - Memo - Bottom Up
873. Length of Longest Fibonacci Subsequence | DP & Two Pointers | 2 Approaches
1749. Maximum Absolute Sum of Any Subarray | Prefix Sums | 2 Approaches
1524. Number of Sub-arrays With Odd Sum | Prefix Sums | Arrays
2467. Most Profitable Path in a Tree | DFS | + Single DFS | Tree
3463 & 3461 Check If Digits Are Equal in String After Operations II | nCr | Luca's Theorem | Pascals
889. Construct Binary Tree from Preorder and Postorder Traversal | Standard Approaches