MathDB
Problems
Contests
National and Regional Contests
China Contests
XES Mathematics Olympiad
the 15th XMO
3
3
Part of
the 15th XMO
Problems
(1)
Combination in XMO
Source: XMO15
4/30/2024
k
k
k
is an integer, there exists a triangulation for a regular polygon with
2024
2024
2024
sides and
2024
2024
2024
colored dots with
k
k
k
different colors meeting
(
1
)
(1)
(
1
)
each color will be used at least once
(
2
)
(2)
(
2
)
every small triangle will have at least
2
2
2
dots that will be in the same color. Try to find the maximum value of
k
k
k
combination
combinatorics