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Matrix exponentiation
Given a Matrix n*n size Let the matrix is A .. Now i have to find out.. A+A^1+A^2+A^3+.......+A^k(k=10^9).. i only can find out the A^k using matrix exponentiation... how can i find the solution of the above equation..
EXAMPLE:
n=3,k= 2
1 4 6
A=6 5 2
1 2 3
output:
208
484
722
problem link:http://lightoj.com/volume_showproblem.php?problem=1142
