제출 #134682

9 4
1 4
2 3
1 6
0 1

   - 4 1
   - 3 2
   - 6 1
   - 1 0
0

0

4 5
0 1
0 2
2 3
1 3
0 3

   - 1 0
   - 2 0
   - 3 0
4

4

6 5
2 5
0 1
2 3
2 4
1 2

   - 5 2
   - 1 0
   - 3 2
   - 4 2
   - 2 0
0

0