제출 #100530

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

3
7
1

1
2
1

2
2 4
2 2
1 2
1 2
1 2
9 3
2 7
7 8
1 9

2
9

2
3

2
1 2
1 1
1 1
10 5
1 3
1 1
2 9
1 10
1 10

1
10

1
5