I wonder, how did you find the solution if you don't speak Russian. :D
1168 There are 1989 towns in the country with 4000 roads (each road connects two towns). Prove that there is at least one...
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I wonder, how did you find the solution if you don't speak Russian. :D
1168 There are 1989 towns in the country with 4000 roads (each road connects two towns). Prove that there is at least one...
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