canMoveUp

private fun canMoveUp(position: Int, blankTilePos: Int, numColumns: Int): Boolean
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Checks if the given tile can be moved up.

Return

true if the tile can be moved up; false, otherwise.

Parameters

position

Position of the tile to be moved (zero-based, following row-major order).

blankTilePos

Position of the blank tile in the puzzle grid (zero-based, following row-major order).

numColumns

Number of columns in the puzzle grid.