제출 #26214

2 10 2 7
1
10

[1, 10, 1]
2

3

3 8 3 7
1
6
5

[1, 6, 5, 1, 6]
4

4

3 9 3 5
1
7
6

[1, 7, 6, 1, 7]
4

4