Los_Angelos_Laycurse's blog

By Los_Angelos_Laycurse, history, 9 years ago, In English

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....