Problem intelligence
Design Excel Sum Formula
HARD · 8 companies · Array · Design · Graph Theory · Hash Table · Matrix · String · Topological Sort
Interview priority
58
medium
Target overlap
0/0
Recency
55
Trend
50
Frequency
100
Company observations
Airbnb6m100
Airbnbolder70.2
Airbnball78.6
Amazonolder12.5
Amazonall10.3
Citadelolder56.6
Citadelall62.7
Googleolder14.9
Googleall12.6
Microsoftall27.3
OpenAIolder66
OpenAIall63.3
Ripplingolder72.8
Ripplingall70.9
Waymoolder70.1
Waymoall67.2
Why this score
high frequency100
unsolved100
Local progress
unseen