LeetCode Topics

Array

Problem Name	Difficulty
0448-find-all-numbers-disappeared-in-an-array
0485-max-consecutive-ones
0643-maximum-average-subarray-i
1019-squares-of-a-sorted-array

Hash Table

Problem Name	Difficulty
0448-find-all-numbers-disappeared-in-an-array

Sliding Window

Problem Name	Difficulty
0643-maximum-average-subarray-i
1567-maximum-number-of-vowels-in-a-substring-of-given-length

String

Problem Name	Difficulty
1567-maximum-number-of-vowels-in-a-substring-of-given-length

Two Pointers

Problem Name	Difficulty
1019-squares-of-a-sorted-array

Sorting

Problem Name	Difficulty
1019-squares-of-a-sorted-array

Tree

Problem Name	Difficulty
0104-maximum-depth-of-binary-tree	Easy

Depth-First Search

Problem Name	Difficulty
0104-maximum-depth-of-binary-tree	Easy

Breadth-First Search

Problem Name	Difficulty
0104-maximum-depth-of-binary-tree	Easy

Binary Tree

Problem Name	Difficulty
0104-maximum-depth-of-binary-tree	Easy