An Arithmetic Tournament

Problem

In a round-robin tournament, 20232023 teams each play every other team once. A win is worth 33 points, a loss 00, and a draw gives each team 11 point. After the tournament the teams' total scores form an arithmetic progression with common difference 11. Find the maximum possible score of the last-place team.

Answer

Solution

Difficulty8/10
Topicscombinatorics, Arithmetic Progression, Induction, Casework

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