30% off Lifetime Premium Access expires December 2nd!

30% off Lifetime Premium Access expires Dec 2nd!

Your Dashboard

Interview Coaching

Mock Interviews

1:1 Mentorship

Salary Negotiation

Practice

Learn

System Design

ML System Design

Code

Behavioral

Salary Negotiation

Interview Guides

Blog

Community

Interview Questions

Interview Experiences

Peer System Design Library

Ask The Community

Discord

Refer a Friend

Pricing

Become a Coach

⌘K

Pricing Become a Coach

⌘K

Get Premium

Song Shuffler

Design an algorithm to shuffle a playlist of songs such that each song is played once in a random order. The algorithm should ensure that the shuffle is unbiased and each permutation of the playlist is equally likely.

Asked at:

Google

Question Timeline

See when this question was last asked and where, including any notes left by other candidates.

Company

Level

Region

Early January, 2025

Google

Junior

Play songs in order: Given n people with specific song orders, find if a valid order exists that satisfies all preferences (topological ordering problem).

Late December, 2024

Google

Mid-level

Song Shuffler

Comments

Your account is free and you can post anonymously if you choose.

Hello Interview Premium

Recent interview questions

System Design Guided Practice

Exclusive content

Learn More

Song Shuffler

Question Timeline

Comments

Questions

Learn

Links

Legal

Contact