PRACTICE

Enumeration Interview Questions

6 Enumeration problems asked across FAANG and top tech companies. Approach hints, optimal solutions, and related problems.

Ready to try these in a real interview?

I'm Alex. I'll interview you on 2 problems like these at your level, ask follow-ups, and give you a scored report.

Start mock with Alex

Companies

Microsoft2Atlassian1Capital One1Databricks1DE Shaw1TikTok1

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

829.Consecutive Numbers Sum

MathEnumeration

Hard▶ Mock

Hard

🔒 LeetCode▶ Mock

845.Longest Mountain in Array

ArrayTwo PointersDynamic Programming

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

3953.Maximum Score with Co-Prime Element

ArrayHash TableMath

Hard▶ Mock

Hard

🔒 LeetCode▶ Mock

3345.Smallest Divisible Digit Product I

MathEnumeration

Easy▶ Mock

Easy

🔒 LeetCode▶ Mock

2171.Removing Minimum Number of Magic Beans

ArrayGreedySorting

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock

2232.Minimize Result by Adding Parentheses to Expression

StringEnumeration

Medium▶ Mock

Medium

🔒 LeetCode▶ Mock