Duolingo

https://duolingo.com

Offers language learning apps and educational tools.

Problem Statistics

Breakdown of 3 problems.

Difficulty Distribution

Medium (2)

Hard (1)

Recency Distribution

Within 3-6 months (3)

Most Common Tags (Top 7)

Array (3)

Hash Table (2)

String (1)

Design (1)

Trie (1)

Sliding Window (1)

Greedy (1)

Coding Interview Problems for Duolingo

Encrypt and Decrypt Strings

3-6 months ago

Hard

Topics

Array

Hash Table

String

Design

+1 more

Trending

Recent

Mock

K Radius Subarray Averages

3-6 months ago

Medium

Topics

Array

Sliding Window

Trending

Recent

Mock

Minimum Number of People to Teach

3-6 months ago

Medium

Topics

Array

Hash Table

Greedy

Trending

Recent

Mock

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