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Colour Grid

IIT

Find the number of ways to colour a 3 * n grid using 3 colours such that no row and column has all the colours the same. Print the answer modulo 10^9 + 7.

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Colour Grid

HardMed•214 views

IIT

Find the number of ways to colour a 3 * n grid using 3 colours such that no row and column has all the colours the same. Print the answer modulo 10^9 + 7.

HardMed•214 views

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