Given a set of n integers S, with no elements divisible by n. Prove that there exists a subset of S that has a sum divisible by n. In this case, n should be > 1.
I'm pretty trash at mathematical proofs. Can someone help me out?
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How to prove this?
Given a set of n integers S, with no elements divisible by n. Prove that there exists a subset of S that has a sum divisible by n. In this case, n should be > 1.
I'm pretty trash at mathematical proofs. Can someone help me out?
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