Minimum revolutions to move center from ( x1 , y1 ) to ( x2 , y2 )
def minRevolutions ( r , x1 , y1 , x2 , y2 ) : NEW_LINE INDENT d = math . sqrt ( ( x1 - x2 ) * ( x1 - x2 ) + ( y1 - y2 ) * ( y1 - y2 ) ) NEW_LINE return math . ceil ( d / ( 2 * r ) ) NEW_LINE DEDENT