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

Leetcode 155. Min Stack

Design a stack supporting push, pop, top, and getMin operations all in O(1) time. The core challenge is to maintain and update the current minimum efficiently so getMin returns the smallest element present even after arbitrary pushes and pops.

Asked at:

Snowflake

Question Timeline

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

Company

Level

Region

Early September, 2025

Snowflake

Senior

Mid June, 2025

Snowflake

Mid-level

Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. Constraints: All operations will invariably be called on non-empty stacks.

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

Leetcode 155. Min Stack

Question Timeline

Comments

Questions

Learn

Links

Legal

Contact