The problem statement can be found here-> (http://www.codechef.com/DBYZ15/problems/DBYZ15C).
The problem statement can be found here-> (http://www.codechef.com/DBYZ15/problems/DBYZ15C).
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Matrix exponentiation
What about dfs?
We will get TLE by that?
http://stackoverflow.com/questions/18890570/matrix-power-sum