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Topological Sort Interview Questions

9 Topological Sort problems asked across FAANG and top tech companies. Approach hints, optimal solutions, and related problems.

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Companies

Snowflake4Anduril3Apple3Uber3Amazon2Meta2Netflix2Salesforce2Walmart2Flipkart1Goldman Sachs1Google1Microsoft1TikTok1+2 more

Topics

Array 240Hash Table 113String 112Depth-First Search 73Sorting 66Dynamic Programming 65Breadth-First Search 56Math 49Design 46Binary Search 44Greedy 43Tree 41Two Pointers 39Heap 35Stack 32Graph 28Matrix 28Sliding Window 26Binary Tree 23Backtracking 22Bit Manipulation 20Prefix Sum 20Simulation 20Union Find 19Linked List 18Queue 13Trie 12Counting 10Recursion 10Divide and Conquer 9Monotonic Stack 9Ordered Set 9Topological Sort 9Data Stream 8Database 6Enumeration 6Binary Search Tree 5Doubly-Linked List 5Geometry 5+22 more

✓ 0ProblemsDifficultyAsked atPractice

210.Course Schedule II

Depth-First SearchBreadth-First SearchGraph

Medium+3▶ Mock

Medium

+3

🔒 LeetCode▶ Mock

207.Course Schedule

Depth-First SearchBreadth-First SearchGraph

Medium+4▶ Mock

Medium

+4

🔒 LeetCode▶ Mock

269.Alien Dictionary

GraphTopological SortDepth-First Search

Hard+2▶ Mock

Hard

+2

🔒 LeetCode▶ Mock

2204.Distance to a Cycle in Undirected Graph

Depth-First SearchBreadth-First SearchGraph

Hard▶ Mock

Hard

🔒 LeetCode▶ Mock

802.Find Eventual Safe States

Depth-First SearchBreadth-First SearchGraph

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

1136.Parallel Courses

GraphTopological SortDirected Acyclic Graph

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

851.Loud and Rich

ArrayDepth-First SearchGraph

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

2050.Parallel Courses III

ArrayDynamic ProgrammingGraph

Hard▶ Mock

Hard

🔒 LeetCode▶ Mock

2360.Longest Cycle in a Graph

Depth-First SearchBreadth-First SearchGraph

Hard▶ Mock

Hard

🔒 LeetCode▶ Mock