제출 #78203

2
1
1 1
2
1 1
2 2

1
0

1
1

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

-1

3

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

0
1

3
2