All Problems

24 problems total

Array (1905)Sorting (440)Depth First Search (316)Database (301)Breadth First Search (241)Tree (240)Stack (172)Graph Theory (169)Linked List (81)Monotonic Stack (67)Queue (50)Recursion (48)Shortest Path (33)
All Topics(4301)Algorithms(3944)Database(305)Networking(0)Object Oriented Design(31)Programming Languages(5)System Design(0)

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TitleDifficultyVideosCompanies
Binary Tree Path Sum - Find all paths between any two nodesmedium-
Binary Tree Path Sum - Maximum between any two leavesmedium-
Binary Tree Path Sum - Maximum Sum Leaf to Root pathmedium-
Binary Tree Path Sum - Maximum Sum Root to Leaf pathmedium-
Binary Tree Path Sum - Minimum Sum Root to Leaf patheasy-
apple
Closest leaf to root in a binary treemedium-
Find longest Snake sequence in a given matrixmedium-
Knight's Tourmedium-
N-Queenshard-
adobeamazonapple
Unique Paths in Grid - Count all paths moving right or down or diagonallymedium-
Unique Paths in Grid - Get all paths moving right or down with obstaclesmedium-
Unique Paths in Grid 1 - Count all paths moving right or downmedium
adobealibabaamazon
Unique Paths in Grid 1-2 - Get all paths moving right or downmedium-
Unique Paths in Grid 2 - Count all paths moving right or down with obstaclesmedium-
amazonapplebloomberg
Minimum Path Sum in matrixmedium-
adobeamazonapple
Unique Paths in Grid 2-3 - Get all paths moving in 4 directions with obstaclesmedium-
Path Sum 2 - find all root to leaf pathsmedium-
adobeamazonapple
Maximum Triangle path sum from top to bottomeasy-
google
Minimum Triangle path sum from top to bottommedium-
amazonapplebloomberg
Binary Tree Path Sum - Maximum between any two nodeshard
adobeamazonappdynamics
Binary Tree Path - All root to leaf pathseasy-
adobeamazonapple
Expression Add Operatorshard-
applebytedancefacebook
Walls and Gatesmedium-
amazonapplebloomberg
Longest Increasing Path in a Matrixhard-
adobeamazonapple