Most Frequently-asked Google Coding Interview Questions 2020

Posted by JH

Most Frequently-asked Google Coding Interview Questions 2019

updated Oct 26, 2019

1. Google Robot in Maze Problem - Count Number of Ways in Matrix

1.2 Count Number of Ways with Obstacles in Matrix

1.3 Count Number of Ways Detour for North



2. Version Snapshot of Array



3. Tree Game: Claim Nodes in Binary Tree



4. Find and Remove Redundant Edge in Binary Tree

Given a binary tree with 1 extra edge, find this edge and remove it. Every node in the tree at most has two child nodes.

Hint - there could be 2 cases.

Case 1: the redundant edge makes a cycle.

Case 2: a node has two parents.



5. Assign Bicycles to the Closest Rider



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