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Tournament Of Towns
1992 Tournament Of Towns
(332) 4
(332) 4
Part of
1992 Tournament Of Towns
Problems
(1)
TOT 332 1992 Spring O S4 10 numbers on a circle
Source:
6/9/2024
10
10
10
numbers are placed on a circle. Their sum is equal to
100
100
100
. A sum of any three neighbouring numbers is no less than
29
29
29
. Find the minimal number
A
A
A
such that for any such set of 10 numbers none of them is greater than
A
A
A
. Prove that this value for
A
A
A
is really minimal. (A. Tolpygo, Kiev)
algebra
combinatorics