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Erdös-Ginzburg-Ziv Theorem

Source:

June 30, 2010
inductionmodular arithmeticnumber theorycombinatorics unsolvedcombinatorics

Problem Statement

Hi everybody! I've an interesting problem! Can you solve it?
Prove Erdös-Ginzburg-Ziv Theorem: "Among any 2n−12n-1 integers, there are some nn whose sum is divisible by nn."
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