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IS IT BITMASK HARD!!

$Chef$ wants to paint a wall that is divided into $N*M$ blocks. $Chef$ has 5 colors c1,c2,c3,c4,c5 of which c1 is the favorite color of a $chef$, so he wants at least 1 block painted with his favorite color. Block can remain unpainted but no two consecutive blocks in a row remain unpainted and at least $\lfloor M/4 \rfloor$ painted blocks in $each$ $row$. Determine the number of ways in which $Che

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solution.cppC++17

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