Question 1

LRU Cache — Snap Interview Question

Accepted Answer

"LRU Cache" is a medium difficulty problem asked at Snap 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

Minimum Window Substring — Snap Interview Question

Accepted Answer

"Minimum Window Substring" is a hard difficulty problem asked at Snap interviews. It covers the following topics: Hash Table, String, Sliding Window. You can practice it on LeetCode: https://leetcode.com/problems/minimum-window-substring

Question 3

Meeting Rooms II — Snap Interview Question

Accepted Answer

"Meeting Rooms II" is a medium difficulty problem asked at Snap interviews. It covers the following topics: Array, Two Pointers, Greedy, Sorting, Heap (Priority Queue), Prefix Sum. You can practice it on LeetCode: https://leetcode.com/problems/meeting-rooms-ii

Question 4

Word Ladder — Snap Interview Question

Accepted Answer

"Word Ladder" is a hard difficulty problem asked at Snap interviews. It covers the following topics: Hash Table, String, Breadth-First Search. You can practice it on LeetCode: https://leetcode.com/problems/word-ladder

Question 5

Course Schedule II — Snap Interview Question

Accepted Answer

"Course Schedule II" is a medium difficulty problem asked at Snap 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-ii

Question 6

Making A Large Island — Snap Interview Question

Accepted Answer

"Making A Large Island" is a hard difficulty problem asked at Snap 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/making-a-large-island

#	Question Title	Difficulty	Frequency	Topics
1	LRU Cache	MEDIUM	100.0	Hash TableLinked ListDesign+1
2	Minimum Window Substring	HARD	95.9	Hash TableStringSliding Window
3	Meeting Rooms II	MEDIUM	94.4	ArrayTwo PointersGreedy+3
4	Word Ladder	HARD	94.4	Hash TableStringBreadth-First Search
5	Course Schedule II	MEDIUM	89.1	Depth-First SearchBreadth-First SearchGraph+1
6	Making A Large Island	HARD	89.1	ArrayDepth-First SearchBreadth-First Search+2
7	Word Break II	HARD	89.1	ArrayHash TableString+4
8	Design Log Storage System	MEDIUM	89.1	Hash TableStringDesign+1
9	Number of Islands	MEDIUM	87.1	ArrayDepth-First SearchBreadth-First Search+2
10	Valid Sudoku	MEDIUM	84.9	ArrayHash TableMatrix

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