스파이
Time Limit: 4 SecMemory Limit: 256 MiB
Example Input 1
3 1 3 1 2 5 1 4 6 1
Example Output 1
5
Example Input 2
4 1 2 1 2 3 2 3 4 3 1 4 4
Example Output 2
16
Category
Language-Specific Restrictions
3 1 3 1 2 5 1 4 6 1
5
4 1 2 1 2 3 2 3 4 3 1 4 4
16