2daysbeforeinterview

Home1Companies2Problems3Experiences4Salaries5

Your prep

Notes6Bookmarks7

Community

Send feedback Contribute9

2daysbeforeinterview

2daysbeforeinterview

Straight from the interview room.

Browse

Companies
Problems
Experiences
Salaries
Leaderboard
Pricing

Contribute

Add a question
Share an experience
Report compensation
Committed Contributor
Send feedback

About

About 2daysbeforeinterview
Contact
Privacy
Terms

© 2026 2daysbeforeinterview

Instagram(opens in a new tab)
YouTube(opens in a new tab)
X (Twitter)(opens in a new tab)
[email protected]

Home Companies ProblemsContribute

Keep holding ⌥Alt and press a number · ? for every shortcut

DSAPremium

1 reportlast asked …

Serialize and Deserialize Binary Tree

Domains

Backend Engineer

asked Feb 2020Report

Discussion

Related questions

Asked atEExpedia Group

Serialize and Deserialize Binary Tree · 2daysbeforeinterview