Question 1 Grid
There is a grid of dimension 3'N. You have to colour the grid using colours Red, Green, Blu
the cells of the same row do not have the same colour
• the columns of a particular row of the grid do not have the same colour
Find the number of ways of colouring the grid modulo 10^9 + 7
Function Description
Description
Complete the solve function in the editor below. It has the following parameter(s):
Type
Name
size of grid
Parameters
INTEGER
N
Return
The function must return an INTEGER denoting the number of
ways modulo 1e9+7.
Constraints
1<N< 20000
0​

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