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National and Regional Contests
Russia Contests
239 Open Math Olympiad
2015 239 Open Mathematical Olympiad
8
8
Part of
2015 239 Open Mathematical Olympiad
Problems
(1)
Distinct Multiple of Distance
Source: 239 2015 S P8
5/14/2020
On a circle
100
100
100
points are chosen and for each point we wrote the multiple of its distances to the rest. Could the written numbers be
1
,
2
,
…
,
100
1,2,\dots, 100
1
,
2
,
…
,
100
in some order?
algebra