Problem Groups

The Community group contains problems contributed by Cody players. The Cody Challenge group contains problems created by the Cody administrator.

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95Solvers

Magic!

Created by the cyclist

Tags

magic

Problem Group

Community
84Solvers

Flip the main diagonal of a matrix

Created by Bruce Raine

Tags

diagonal, magic

Problem Group

Community
52Solvers

Output any real number that is neither positive nor negative

Created by Jacob

Tags

magic

Problem Group

Community