不要管上面的标题的bug 那是幂的意思,不是力量... POJ 3233 Matrix Power Series 描述 Given a n × n matrix A and a positive integer k, find the sum $ S = A + A^2 + A^3 + - + A^k $. 给你个n×n大小的矩阵A和一个正整数k,求矩阵S = A + A^2 + A^3 + - + A^k. 输入 The input contains exactly one test case…
地址 http://poj.org/problem?id=3233 大意是n维数组 最多k次方 结果模m的相加和是多少 Given a n × n matrix A and a positive integer k, find the sum S = A + A2 + A3 + … + Ak. Sample Input 2 2 4 0 1 1 1 Sample Output 1 2 2 3 题解 矩阵逐步的相乘然后相加是不可以 但是矩阵也有类似快速幂的做法 /*A + A^2 =A(I+A)…
题目链接 请猛戳~ Description Given a n × n matrix A and a positive integer k, find the sum S = A + A2 + A3 + … + Ak. Input The input contains exactly one test case. The first line of input contains three positive integers n (n ≤ 30), k (k ≤ 109) and m (m <…