The Optimal Approach

LC 968 Binary Tree Cameras Greedy + DFS HARD Explained

The Optimal Approach

Number of Valid Parentheses GFG POTD Catalan Numbers Java

The Optimal Approach

Maximum People Visible in a Line GFG POTD Monotonic Stack Java

The Optimal Approach

LC 502. IPO Priority Queue + Greedy HARD Explained

The Optimal Approach

LC 407 Trapping Rain Water II Multi-Source Dijkstra HARD Explained

The Optimal Approach

LC 480 Sliding Window Median Heaps TreeMap HARD Explained

The Optimal Approach

LC 1289 Minimum Falling Path Sum II DP HARD Optimized to O(n²) Explained

The Optimal Approach

LC 76 Minimum Window Substring Sliding Window HARD Explained

The Optimal Approach

LC 315 Count of Smaller Numbers After Self Merge Sort HARD Explained

The Optimal Approach

LC 154 Find Minimum in Rotated Sorted Array II Binary Search HARD Explained

The Optimal Approach

LC 85 Maximal Rectangle Stack HARD Explained

The Optimal Approach

LC 32 Longest Valid Parentheses Stack for indices Two pass HARD Explained

The Optimal Approach

LC 295. Find Median from Data Stream Heap HARD Explained

The Optimal Approach

LC 239. Sliding Window Maximum Deque HARD Explained

The Optimal Approach

LC 42. Trapping Rain Water Left Max and Right Max HARD Explained

The Optimal Approach

LC 84. Largest Rectangle in Histogram Stack HARD Explained

The Optimal Approach

Count Distinct Elements in Every Window GFG POTD Sliding Window Java

The Optimal Approach

LC 123. Best Time to Buy and Sell Stock III DP HARD Explained

The Optimal Approach

LC 410 Split Array Largest Sum Binary Search on Answer HARD Explained

The Optimal Approach

Max Sum Subarray of Size K GFG POTD Sliding Window Java

The Optimal Approach

Sort 0s, 1s and 2s GFG POTD Without Sort( ) Java

The Optimal Approach

Minimum Time to Fulfill All Orders GFG POTD (HARD) Binary Search Java

The Optimal Approach

Kth Smallest Element in a Matrix GFG POTD Priority Queue & Binary Search Java

The Optimal Approach

Kth Missing Positive Number GFG POTD Binary Search Java

The Optimal Approach

Find the Peak Element in a 2D Matrix GFG POTD Binary Search Java

The Optimal Approach

Count Elements ≤ K in Sorted Rotated Array GFG POTD Binary Search Java

The Optimal Approach

Elements in Range [A, B] GFG POTD Multiple Queries Binary Search Java

The Optimal Approach

Row with Max 1s GFG POTD Binary Search & Optimal Approach Java

The Optimal Approach

Count X in Range of Sorted Array GFG POTD Binary Search Java

The Optimal Approach

Search Insert Position of K GFG POTD Binary Search Java

The Optimal Approach