Problem intelligence
Block Placement Queries
HARD · 12 companies · Array · Binary Indexed Tree · Binary Search · Ordered Set · Segment Tree
Interview priority
70
high
Target overlap
0/0
Recency
100
Trend
62
Frequency
100
Company observations
Amazonall5
Capital One30d90.9
Capital One90d97
Capital One6m94
Capital Oneolder86.7
Capital Oneall89.7
eBayolder59.9
eBayall63.5
Google90d32.7
Google6m28.4
Googleall14.6
Hudson River Trading30d100
Hudson River Trading90d100
Hudson River Trading6m100
Hudson River Tradingall62.6
Metaolder15.3
Metaall14.4
Microsoftall7.3
PayPayolder100
PayPayall77.2
Robloxolder58.4
Robloxall55.8
SIGolder76.9
SIGall86.7
Uberolder72.2
Uberall68.4
Visaolder81.3
Visaall80.7
Why this score
high frequency100
recent activity100
unsolved100
Local progress
unseen