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Discussion of Problem 1497. Cutting a Square

Tests
Posted by Felix_Mate 15 Aug 2015 19:06
1)3
  111
  111
  111
 yes

2)3
  111
  101
  111
 no

3)5
  11100
  10000
  00011
  11000
  00000
 no

4)5
  11111
  00011
  01111
  00001
  00111
 yes