제출 #24643

5 2
0 1
3 4

1 1
1 4
0

0

9 3
2 7
0 7
0 4

1 7
2 2
1 4
1 7
0

0

8 3
6 7
1 6
5 7

1 6
2 7
3 5
1 7
2 6
1 7
1

0