gym 100020 problem D The Matrix

Revision en1, by Los_Angelos_Laycurse, 2015-06-22 14:30:11

http://mirror.codeforces.com/gym/100020

what a fucking problem! if you use scanf to read all n*n matrix n<=2000, you will defintly TLE.... we must read only n+1 number,and get the state....

and there are sepcial test cases for n==1 &&n==2 I want to break my computer when solving this problem....

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en1 English Los_Angelos_Laycurse 2015-06-22 14:30:11 331 Initial revision (published)