Problem intelligence
Delete Nodes And Return Forest
MEDIUM · 4 companies · Array · Binary Tree · Depth-First Search · Hash Table · Tree
Interview priority
54
medium
Target overlap
0/0
Recency
80
Trend
50
Frequency
64
Company observations
Amazonolder8.9
Amazonall10.3
Google90d23.9
Google6m25.4
Googleolder37.2
Googleall40.2
Metaolder29.2
Metaall28.1
Pinterest6m64.4
Pinterestolder52.7
Pinterestall59
Why this score
unsolved100
recent activity80
Local progress
unseen