#YC345. 错误勘探
错误勘探

样例1
4
1 0 1 0
0 0 0 0
1 1 1 1
0 1 0 1
OK
样例2
4
1 0 1 0
0 0 1 0
1 1 1 1
0 1 0 1
2 3
样例3
4
1 0 1 0
0 1 1 0
1 1 1 1
0 1 0 1
Corrupt
Related
In following contests:

4
1 0 1 0
0 0 0 0
1 1 1 1
0 1 0 1
OK
4
1 0 1 0
0 0 1 0
1 1 1 1
0 1 0 1
2 3
4
1 0 1 0
0 1 1 0
1 1 1 1
0 1 0 1
Corrupt
In following contests: