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CodeTutor - Coding Interview Preparation
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BFS (Breadth-First Search) (35)
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Showing 20 of 51 questions
Add One Row to Tree
Medium
Trees
Recursion
Queue
BFS (Breadth-First Search)
★
DFS (Depth-First Search)
Binary Tree Traversal
LeetCode #623
Additive Number
Medium
Strings
Recursion
1
2
3
Backtracking
★
LeetCode #306
All Paths From Source to Target
Medium
Recursion
Graphs
DFS (Depth-First Search)
★
Backtracking
LeetCode #797
All Possible Full Binary Trees
Medium
Trees
Recursion
Dynamic Programming
Backtracking
Dynamic Programming
★
LeetCode #894
Ambiguous Coordinates
Medium
Strings
Recursion
Backtracking
★
LeetCode #816
Balanced Binary Tree
Easy
Trees
Recursion
DFS (Depth-First Search)
★
Binary Tree Traversal
LeetCode #110
Basic Calculator IV
Hard
Hash Tables
Recursion
Math
Strings
Stack
Backtracking
★
LeetCode #770
Beautiful Arrangement
Medium
Arrays
Recursion
Backtracking
★
LeetCode #526
Binary Tree Inorder Traversal
Easy
Trees
Stack
Recursion
Binary Tree Traversal
★
DFS (Depth-First Search)
LeetCode #94
Binary Tree Maximum Path Sum
Hard
Trees
Recursion
Dynamic Programming
DFS (Depth-First Search)
★
Dynamic Programming
LeetCode #124
Binary Tree Paths
Easy
Strings
Recursion
Trees
DFS (Depth-First Search)
★
Backtracking
Binary Tree Traversal
LeetCode #257
Binary Tree Postorder Traversal
Easy
Recursion
Stack
Trees
DFS (Depth-First Search)
★
Binary Tree Traversal
LeetCode #145
Binary Tree Preorder Traversal
Easy
Recursion
Stack
Trees
Binary Tree Traversal
★
DFS (Depth-First Search)
LeetCode #144
Binary Tree Pruning
Medium
Trees
Recursion
DFS (Depth-First Search)
★
Binary Tree Traversal
LeetCode #814
Binary Tree Tilt
Easy
Trees
Recursion
DFS (Depth-First Search)
★
Binary Tree Traversal
LeetCode #563
Binary Watch
Easy
Math
Recursion
Backtracking
★
LeetCode #401
Brace Expansion II
Hard
Strings
Recursion
Stack
Backtracking
DFS (Depth-First Search)
★
LeetCode #1096
Can I Win
Medium
Recursion
Dynamic Programming
Dynamic Programming
★
Backtracking
LeetCode #464
Check if Object Instance of Class
Medium
Recursion
DFS (Depth-First Search)
★
LeetCode #2618
24 Game
Hard
Math
Arrays
Recursion
Backtracking
★
LeetCode #679