문제문제 풀러 가기오른쪽 화살표N = 8, point = {(1, 3), (2, 5), (2, 2), (4, 2), (6, 7), (7, 8), (8, 9), (3, 5)}13km224.5km235km247km257.5km2문제 펼치기오른쪽 화살표