This Ain't Your Grandpa's Checkerboard: Revision history

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2 November 2021

  • curprev 02:3702:37, 2 November 2021 Kmk21 talk contribs 544 bytes +544 Created page with "This problem gives you a specification for a board of white and black squares and asks if it is "valid," where valid means each row and column independently has the same numbe..."
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