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Discussion of Problem 1221. Malevich Strikes Back!

This test helped me in 1-test
Posted by Yusupov Azat(TUIT Urgench) 21 Jul 2011 17:06
8
1 0 1 1 0 1 1 1
0 0 0 1 0 1 1 1
1 0 1 1 0 1 1 1
1 1 1 1 0 1 1 1
1 1 1 0 0 0 1 1
1 1 0 0 0 0 0 1
1 1 1 0 0 0 1 1
1 1 1 1 0 1 1 1
0
answer: 5