Find the minimum number of pin boards needed to travel between two pins by searching shared routes without comparing every board pair.
Company: Pinterest
Role: Software Engineer
Category: Coding & Algorithms
Difficulty: medium
Interview Round: Onsite
Overview: Find the minimum number of pin boards needed to travel between two pins by searching shared routes without comparing every board pair.
Blind 75
75 free coding problems to build your foundations, with hints, explanations, and a progress checklist.
Data Structures & Algorithms
The patterns behind arrays, pointers, trees, graphs and dynamic programming, with worked Python examples.
Cracking the Coding Interview Companion
Our free, unofficial companion to the book: how to analyze, solve and speed up coding problems, in Python.