Problem intelligence
Count the Number of Arrays with K Matching Adjacent Elements
HARD · 5 companies · Combinatorics · Fermat's Little Theorem · Math
Interview priority
52
medium
Target overlap
0/0
Recency
30
Trend
50
Frequency
100
Company observations
Amazonolder5.1
Amazonall5
Bloombergolder23.9
Bloombergall21.4
Googleolder5
Googleall5
Metaolder8.7
Metaall8
PhonePeolder100
PhonePeall100
Why this score
high frequency100
unsolved100
Local progress
unseen