HDOJ4686(矩陣快速冪)

連接:https://cn.vjudge.net/contest/51124#problem/Cios 題意 7個數n,a,ax,ay,b,bx,by，a(i)  = a(i-1)+*ax+ay, b(i) = b(i-1) * bx+by,求a*b累加n次後mod1,000,000,007的數.spa 矩陣快速冪，5*5矩陣較難推出，看了別人題解很久才懂。.net #include <cstdi

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