【题目链接】:http://codeforces.com/contest/719/problem/E 【题意】 给你一个数列,有两种操作1 l r x 给[l,r]区间上的数加上x, 2 l r 询问[l,r]区间fibonacci数列的和(f[l]f[l1]……f[r]) 【题解】 斐波那契数列有个矩阵乘法公式 f[n] [0 1] ^n [0 0]
[1 1] [0 1]…
KNX EIB 线缆 电缆 J-Y(st)YH 2x2x0.8 KNX / EIB CableFS Cables as member of the KNX association now offers certified KNX cable TP1 .With the increasing demand for ‘green’ buildings, Intelligent Building Technology systems CAN contribute to significant ene…