제출 #42954

4
20 80
70 30
35 65
40 60
10

[(20, 80), (30, 70), (35, 65), (40, 60)]
1

0

5
-5 5
30 40
-5 5
50 40
5 -5
10

[(-5, 5), (-5, 5), (-5, 5), (30, 40), (40, 50)]
3

3

8
5 40
35 25
10 20
10 25
30 50
50 60
30 25
80 100
30

[(5, 40), (10, 20), (10, 25), (25, 35), (25, 30), (30, 50), (50, 60), (80, 100)]
4

4