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Graph Theory
medium
0:00.0
What is the chromatic number
χ
(
G
)
\chi(G)
χ
(
G
)
of the complete graph
K
n
K_n
K
n
?
A
1
1
1
B
2
2
2
C
n
−
1
n-1
n
−
1
D
n
n
n
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