Problem intelligence
Count the Number of Square-Free Subsets
MEDIUM · 2 companies · Array · Bit Manipulation · Bitmask · Dynamic Programming · Math · Number Theory
Interview priority
49
medium
Target overlap
0/0
Recency
30
Trend
50
Frequency
94
Company observations
Googleolder17
Googleall14.6
Media.netolder66.2
Media.netall94.1
Why this score
unsolved100
high frequency94
Local progress
unseen