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CodeTutor - Coding Interview Preparation
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Showing 10 of 10 questions
Add One Row to Tree
Medium
Trees
Recursion
Queue
BFS (Breadth-First Search)
★
DFS (Depth-First Search)
Binary Tree Traversal
LeetCode #623
Average of Levels in Binary Tree
Easy
Queue
Trees
BFS (Breadth-First Search)
★
Binary Tree Traversal
LeetCode #637
Binary Tree Level Order Traversal II
Medium
Trees
Queue
BFS (Breadth-First Search)
★
Binary Tree Traversal
LeetCode #107
Binary Tree Level Order Traversal
Medium
Queue
Trees
BFS (Breadth-First Search)
★
Binary Tree Traversal
LeetCode #102
Binary Tree Zigzag Level Order Traversal
Medium
Trees
Queue
BFS (Breadth-First Search)
★
Binary Tree Traversal
LeetCode #103
Design Circular Queue
Medium
Arrays
Queue
Two Pointers
★
LeetCode #622
Dota2 Senate
Medium
Strings
Queue
Greedy
★
LeetCode #649
Implement Queue using Stacks
Easy
Queue
Stack
Monotonic Stack
★
LeetCode #232
Implement Stack using Queues
Easy
Queue
Stack
Monotonic Stack
★
LeetCode #225
Sliding Window Maximum
Hard
Arrays
Heap
Queue
Monotonic Stack
★
Sliding Window
LeetCode #239