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Dec 2022
129 Sum Root to Leaf Numbers
Sep 2022
130 Surrounded Regions
Dec 2020
200 Number of Islands
Aug 2022
207 Course Schedule
Sep 2022
269 Alien Dictionary
Sep 2022
286 Walls and Gates
Sep 2022
329 Longest Increasing Path in a Matrix
Nov 2022
332 Reconstruct Itinerary
Sep 2022
366 Find Leaves of Binary Tree
Sep 2022
399 Evaluate Division
Feb 2023
419 Battleships in a Board
Nov 2022
428 Serialize and Deserialize N-ary Tree
Sep 2022
430 Flatten a Multilevel Doubly Linked List
Aug 2022
472 Concatenated Words
Sep 2022
490 The Maze
Sep 2022
538 Convert BST to Greater Tree
Sep 2022
545 Boundary of Binary Tree
Sep 2022
694 Number of Distinct Islands
Sep 2021
695 Max Area of Island
Sep 2021
733 Flood Fill
Sep 2022
797 All Paths From Source to Target
Nov 2022
827 Making A Large Island
Aug 2022
863 All Nodes Distance K in Binary Tree
Oct 2022
934 Shortest Bridge
Jan 2023
938 Range Sum of BST
Sep 2022
947 Most Stones Removed with Same Row or Column
Sep 2022
968 Binary Tree Cameras
Sep 2022
987 Vertical Order Traversal of a Binary Tree
Sep 2022
1038 Binary Search Tree to Greater Sum Tree
Sep 2022
1192 Critical Connections in a Network
Oct 2022
1245 Tree Diameter
Feb 2023
1263 Minimum Moves to Move a Box to Their Target Location
Sep 2022
1339 Maximum Product of Splitted Binary Tree
Oct 2022
2096 Step-By-Step Directions From a Binary Tree Node to Another
Jan 2023
2101 Detonate the Maximum Bombs
Nov 2022
2127 Maximum Employees to Be Invited to a Meeting
Jan 2023
2458 Height of Binary Tree After Subtree Removal Queries