제출 #93713

9 3
3 7
5 9
9 3

1 = 0
2 = 0
3 = 2
4 = 0
5 = 0
6 = 0
7 = 3
8 = 0
9 = 1
7 

7 

4 6
1 2
2 1
2 4
3 2
3 4
4 1

1 = 3
2 = 3
3 = 0
4 = 3
1 2 4 

1 2 4 

8 7
1 6
2 3
2 4
3 1
4 8
6 5
6 8

1 = 2
2 = 0
3 = 1
4 = 1
5 = 4
6 = 3
7 = 0
8 = 5
8 

8