Problem intelligence
Ugly Number III
MEDIUM · 2 companies · Binary Search · Combinatorics · Euclidean Algorithm · Greatest Common Divisor · Inclusion-Exclusion Principle · Least Common Multiple · Math · Number Theory
Interview priority
50
medium
Target overlap
0/0
Recency
30
Trend
50
Frequency
100
Company observations
Amazonolder8.9
Amazonall7.2
American Expressall100
Why this score
high frequency100
unsolved100
Local progress
unseen