제출 #92880

2
1 2
4 13

1 2
4 13
1

1

4
0 10
0 3
11 19
0 2

0 2
0 3
0 10
11 19
3

3

5
26 36
0 2
16 25
0 6
7 15

0 2
0 6
7 15
16 25
26 36
2

2