problem #144 - 격자 막기

격자 막기

Time Limit: 1 SecMemory Limit: 256 MiB

Example Input 1

5
1 0 1 1 1
1 1 1 0 1

Example Output 1

Example Input 2

5
1 0 0 1 1
1 1 1 0 1

Example Output 2

Category

Language-Specific Restrictions