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Problems
Contests
National and Regional Contests
Switzerland Contests
Switzerland - Final Round
2005 Switzerland - Final Round
2
2
Part of
2005 Switzerland - Final Round
Problems
(1)
2n black and 2n with points on a row
Source: Switzerland - 2005 Swiss MO Final Round p2
12/26/2022
Of
4
n
4n
4
n
points in a row,
2
n
2n
2
n
are colored white and
2
n
2n
2
n
are colored black. Swot tha tthere are
2
n
2n
2
n
consecutive points of which exactly
n
n
n
are white and
n
n
n
are black.
combinatorics
Coloring