제출 #48770

7
5 5
8 9
3 6
0 1
3 5
0 8
5 8

4

5

7
1 10
0 4
1 1
1 6
0 1
0 1
0 4

2

3

7
6 6
1 3
7 7
3 6
8 10
0 6
3 7

4

5