Problem intelligence
Count Univalue Subtrees
MEDIUM · 3 companies · Binary Tree · Depth-First Search · DP on Trees · Tree
Interview priority
47
medium
Target overlap
0/0
Recency
30
Trend
50
Frequency
78
Company observations
Amazonolder12.5
Amazonall10.3
Googleolder10
Googleall8.1
Zetaolder78.1
Zetaall63.7
Why this score
unsolved100
high frequency78
Local progress
unseen