1232. 缀点成线

缀点成线

class Solution:
    @staticmethod
    def checkStraightLine(coordinates: list):
        '''
        默认x差 * y差 == 默认y差 * x差   全为ture 则为直线
        '''
        x_subtract = coordinates[1][0] - coordinates[0][0]
        y_subtract = coordinates[1][1] - coordinates[0][1]
        return all(x_subtract * (y - coordinates[0][1]) == y_subtract * (x - coordinates[0][0]) for x, y in coordinates)


coordinates = [[1, 2], [2, 3], [3, 4], [4, 5], [5, 6], [6, 7]]
print(Solution().checkStraightLine(coordinates))