Your Dashboard
Interview Coaching
Learn
System Design
ML System Design
Code
Behavioral
Salary Negotiation
Interview Guides
Search
⌘K
Get Premium
Leetcode 2582. Pass the Pillow
People stand in a line from 1 to n and pass a pillow one step per second, reversing direction at the ends; given n and time, determine which index holds the pillow after time seconds. Recognize the motion is periodic with period 2*(n-1) and can be solved by mapping time modulo that period to a forward-or-reflected position.
Question Timeline
See when this question was last asked and where, including any notes left by other candidates.
All Regions
Comments
Hello Interview Premium
Your account is free and you can post anonymously if you choose.