제출 #67846

2 4
2 2
1 1
2 2
2 2

[1, 2]

1 2 

2 4
2 2
2 2
2 2
1 2

[2, 1]

2 1 

5 4
4 5
3 4
2 4
1 4

[2, 5, 3, 1, 4]

2 5 3 1 4