제출 #125375

2
4 0
6 10

YES
2 4 3 1
NO

YES
2 4 3 1
NO

already insert 2

2
7 4
22 5

YES
2 3 6 4 7 5 1
YES
2 7 3 8 4 10 5 11 6 12 9 13 18 14 19 15 20 16 21 17 22 1

YES
2 3 6 4 7 5 1
YES
2 7 3 8 4 10 5 11 6 12 9 13 18 14 19 15 20 16 21 17 22 1

already insert 2

3
11 -1
3 -1
5 -3

NO
NO
YES
2 4 3 5 1

NO
NO
YES
2 4 3 5 1

already insert 2