Matrix Time Limit: 2000MS   Memory Limit: 30000K Total Submissions: 3239   Accepted: 1680 Description Given an n*n matrix A, whose entries Ai,j are integer numbers ( 0 <= i < n, 0 <= j < n ). An operation SHIFT at row i ( 0 <= i < n ) wi…

题目链接[http://poj.org/problem?id=2155] /* poj 2155 Matrix 题意:矩阵加减,单点求和 二维线段树,矩阵加减,单点求和. */ using namespace std; const int INF = 0x3f3f3f3f; ; int N, Q; struct Nodey { int l, r; int val; }; int locx[MAXN], locy[MAXN]; struct Nodex { int l, r; Nodey sty[…

poj 1575  Tr A 主题链接:http://acm.hdu.edu.cn/showproblem.php?pid=1575 题目大意:A为一个方阵,则Tr A表示A的迹(就是主对角线上各项的和),现要求Tr(A^k)%9973. 数据的第一行是一个T,表示有T组数据. 每组数据的第一行有n(2 <= n <= 10)和k(2 <= k < 10^9)两个数据.接下来有n行,每行有n个数据,每一个数据的范围是[0,9].表示方阵A的内容. 一个矩阵高速幂的裸题. 题解: #…

-->Matrix Descriptions: 输入一个n×n的矩阵,可以对矩阵的每行进行任意次的循环右移操作,行的每一次右移后,计算矩阵中每一列的和的最大值,输出这些最大值中的最小值. Sample Input 2 4 6 3 7 3 1 2 3 4 5 6 7 8 9 -1 Sample Output 11 15 题目链接 https://vjudge.net/problem/POJ-2078 使用dfs解决,对于n×n的矩阵来说,行循环右移后,矩阵最多有n^n中可能的状态,在这题中最多有7…

二维树状数组....                          Matrix Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 15575   Accepted: 5854 Description Given an N*N matrix A, whose elements are either 0 or 1. A[i, j] means the number in the i-th row and j-th colu…

Matrix Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 17880   Accepted: 6709 Description Given an N*N matrix A, whose elements are either 0 or 1. A[i, j] means the number in the i-th row and j-th column. Initially we have A[i, j] = 0 (1…

Matrix Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 17226   Accepted: 6461 Description Given an N*N matrix A, whose elements are either 0 or 1. A[i, j] means the number in the i-th row and j-th column. Initially we have A[i, j] = 0 (1…

Description Given a N × N matrix A, whose element × i + j2 - × j + i × j, you are to find the M-th smallest element in the matrix. Input The first line of input is the number of test case. For each test ≤ N ≤ ,) and M( ≤ M ≤ N × N). There is a blank…

http://poj.org/problem?id=2155 Matrix Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 18143   Accepted: 6813 Description Given an N*N matrix A, whose elements are either 0 or 1. A[i, j] means the number in the i-th row and j-th column. I…

职务地址:POJ 3233 题目大意:给定矩阵A,求A + A^2 + A^3 + - + A^k的结果(两个矩阵相加就是相应位置分别相加).输出的数据mod m. k<=10^9.     这道题两次二分,相当经典.首先我们知道,A^i能够二分求出. 然后我们须要对整个题目的数据规模k进行二分.比方,当k=6时,有:     A + A^2 + A^3 + A^4 + A^5 + A^6 =(A + A^2 + A^3) + A^3*(A + A^2 + A^3)     应用这个式子后,规模…