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Danube Competition in Mathematics
2008 Danube Mathematical Competition
4
4
Part of
2008 Danube Mathematical Competition
Problems
(1)
Maximum number of segments with lenghts greater than 1
Source: Danube Math Competition 2008
1/20/2009
Let
n
≥
2
n\geq 2
n
≥
2
be a positive integer. Find the maximum number of segments with lenghts greater than
1
,
1,
1
,
determined by
n
n
n
points which lie on a closed disc with radius
1.
1.
1.
combinatorics proposed
combinatorics