atbox | R Documentation |
This function checks if a value already exists in a 3 by 3 box from a sudoku grid
atbox(x, i, j, n)
x |
A sudoku grid |
i |
An index of a line from the box |
j |
An index of a column from the box |
n |
a value to check its existance in the box that contains the cell of the index (i,j) |
TRUE if the checked value is on the box or FALSE if the checked value is not on the box
atbox(x=grid_gen(49),1,4,8)
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