/* * @lc app=leetcode id=1037 lang=java * * [1037] Valid Boomerang */ // @lc code=start class Solution { /** * y1 / x1 = y0 / x0 * x0*y1 = x1*y0 * * @param points * @return */ public boolean isBoomerang(int[][] points) { int x0 = points[1][0] - points[0][0]; int y0 = points[1][1] - points[0][1]; int x1 = points[2][0] - points[0][0]; int y1 = points[2][1] - points[0][1]; return x0 * y1 != x1 * y0; } } // @lc code=end