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1982 USAMO Problems/Problem 1: Revision history

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17 January 2016

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3 July 2013

6 March 2013

  • curprev 10:3610:36, 6 March 2013 1=2 talk contribs 363 bytes +363 Created page with "== Problem == In a party with <math>1982</math> persons, among any group of four there is at least one person who knows each of the other three. What is the minimum number of peo..."
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