Problem intelligence
Number of Islands II
HARD · 8 companies · Array · Hash Table · Union-Find
Interview priority
61
medium
Target overlap
0/0
Recency
80
Trend
50
Frequency
90
Company observations
Amazon6m14.3
Amazonolder5.1
Amazonall10.3
Auroraolder64.2
Auroraall61.8
Google6m17.4
Googleolder31.8
Googleall35.8
Metaolder15.3
Metaall14.4
Molocoall80.4
Uber90d72.9
Uber6m89.8
Uberolder88.5
Uberall89.9
Walmart Labsolder44.7
Walmart Labsall42.1
Waymoall57.6
Why this score
unsolved100
high frequency90
recent activity80
Local progress
unseen