[백준/Python] (G2) 선분 교차 2 - 17387

https://www.acmicpc.net/problem/17387 코드 def ccw(ax, ay, bx, by, cx, cy): return (ax*by + bx*cy + cx*ay) - (bx*ay + cx*by + ax*cy) x1, y1, x2, y2 = map(int, input().split()) x3, y3, x4, y4 = map(int, input().split()) ccw123 = ccw(x1, y1, x2, y2, x3, y3) ccw124 = ccw(x1, y1, x2, y2, x4, y4) ccw341 = ccw(x3, y3, x4, y4, x1, y1) ccw342 = ccw(x3, y3, x4, y4, x2, y2) if ccw123 * ccw124 == 0 and ccw3.....