妈妈呀....这简直是目前死得最惨的一次. 贴题目: http://poj.org/problem?id=3233 Matrix Power Series Time Limit: 3000MS Memory Limit: 131072K Total Submissions: 19128 Accepted: 8068 Description Given a n × n matrix A and a positive integer k, find the sum S = A + A2 + A3 +…
Matrix Power Series Time Limit: 3000MS Memory Limit: 131072K Total Submissions: 20309 Accepted: 8524 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 cas…
题意: 求n*n矩阵的幂和 分析: 逐个加起来时间复杂度太高,通过在矩阵中套个矩阵和,再利用矩阵快速幂,最后时间复杂度为O(n3logn) 代码: #include<cstdio> #include<iostream> #include<cstdio> using namespace std; typedef long long ll; const int N= 85; int n; struct Matrix { int row,cal; ll m[N][N]; };…
Matrix Power Series Time Limit: 3000MS Memory Limit: 131072K Total Submissions: 11954 Accepted: 5105 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 cas…
任意门:http://poj.org/problem?id=3233 Matrix Power Series Time Limit: 3000MS Memory Limit: 131072K Total Submissions: 28619 Accepted: 11646 Description Given a n × n matrix A and a positive integer k, find the sum S = A + A2 + A3 + … + Ak. Input The…
Matrix Power Series Time Limit: 3000MS Memory Limit: 131072K Total Submissions: 15417 Accepted: 6602 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 cas…
Matrix Power Series Time Limit: 3000MS Memory Limit: 131072K 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 po…
Matrix Power Series 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)…
