계단 보행
Time Limit: 3 SecMemory Limit: 1024 MiB
Example Input 1
9 9 1 2 5 2 3 4 3 4 5 4 5 6 3 5 5 2 6 5 3 7 4 4 8 5 5 9 3
Example Output 1
7 1 2 3 3 7 6 5 -1
Category
Language-Specific Restrictions
9 9 1 2 5 2 3 4 3 4 5 4 5 6 3 5 5 2 6 5 3 7 4 4 8 5 5 9 3
7 1 2 3 3 7 6 5 -1