Question 1

LRU Cache — ByteDance Interview Question

Accepted Answer

"LRU Cache" is a medium difficulty problem asked at ByteDance interviews. It covers the following topics: Hash Table, Linked List, Design, Doubly-Linked List. You can practice it on LeetCode: https://leetcode.com/problems/lru-cache

Question 2

Smallest Subsequence of Distinct Characters — ByteDance Interview Question

Accepted Answer

"Smallest Subsequence of Distinct Characters" is a medium difficulty problem asked at ByteDance interviews. It covers the following topics: String, Stack, Greedy, Monotonic Stack. You can practice it on LeetCode: https://leetcode.com/problems/smallest-subsequence-of-distinct-characters

Question 3

Remove Duplicate Letters — ByteDance Interview Question

Accepted Answer

"Remove Duplicate Letters" is a medium difficulty problem asked at ByteDance interviews. It covers the following topics: String, Stack, Greedy, Monotonic Stack. You can practice it on LeetCode: https://leetcode.com/problems/remove-duplicate-letters

Question 4

First Day Where You Have Been in All the Rooms — ByteDance Interview Question

Accepted Answer

"First Day Where You Have Been in All the Rooms" is a medium difficulty problem asked at ByteDance interviews. It covers the following topics: Array, Dynamic Programming. You can practice it on LeetCode: https://leetcode.com/problems/first-day-where-you-have-been-in-all-the-rooms

Question 5

Number of Islands — ByteDance Interview Question

Accepted Answer

"Number of Islands" is a medium difficulty problem asked at ByteDance interviews. It covers the following topics: Array, Depth-First Search, Breadth-First Search, Union Find, Matrix. You can practice it on LeetCode: https://leetcode.com/problems/number-of-islands

Question 6

Course Schedule — ByteDance Interview Question

Accepted Answer

"Course Schedule" is a medium difficulty problem asked at ByteDance interviews. It covers the following topics: Depth-First Search, Breadth-First Search, Graph, Topological Sort. You can practice it on LeetCode: https://leetcode.com/problems/course-schedule

#	Question Title	Difficulty	Frequency	Topics
1	LRU Cache	MEDIUM	100.0	Hash TableLinked ListDesign+1
2	Smallest Subsequence of Distinct Characters	MEDIUM	89.5	StringStackGreedy+1
3	Remove Duplicate Letters	MEDIUM	87.2	StringStackGreedy+1
4	First Day Where You Have Been in All the Rooms	MEDIUM	87.2	ArrayDynamic Programming
5	Number of Islands	MEDIUM	84.6	ArrayDepth-First SearchBreadth-First Search+2
6	Course Schedule	MEDIUM	78.6	Depth-First SearchBreadth-First SearchGraph+1
7	Longest Substring Without Repeating Characters	MEDIUM	74.9	Hash TableStringSliding Window
8	Combination Sum	MEDIUM	74.9	ArrayBacktracking
9	Basic Calculator II	MEDIUM	70.5	MathStringStack
10	Kth Largest Element in an Array	MEDIUM	70.5	ArrayDivide and ConquerSorting+2

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