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Miklós Schweitzer 2000, Problem 2

Source: Miklós Schweitzer 2000

July 30, 2016
college contestsMiklos Schweitzerpoint

Problem Statement

Let nn red and nn blue subarcs of a circle be given such that each red subarc intersects each blue subarc. Prove that there is a point which is covered by at least nn of the given (red or blue) subarcs.
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