To The Max Problem's Link: http://acm.hdu.edu.cn/showproblem.php?pid=1081 Mean: 求N*N数字矩阵的最大子矩阵和. analyse: 乍看题目意思很简单,但对于刚开始学DP的新手来说也不是很简单. 这道题使用到的算法是:预处理+最大连续子串和 如果会做最大连续子串和,那么理解这题就相对简单一些,若不知道最大连续子串和,建议先看一下这两题: http://acm.hdu.edu.cn/showproblem.php?pi…
To the Max Time Limit: 2 Seconds Memory Limit: 65536 KB Problem Given a two-dimensional array of positive and negative integers, a sub-rectangle is any contiguous sub-array of size 1 x 1 or greater located within the whole array. The sum of a re…
Largest Rectangle in a Histogram Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 11541 Accepted Submission(s): 3174 Problem Description A histogram is a polygon composed of a sequence of rect…
题目链接:51nod 1051 最大子矩阵和 实质是把最大子段和扩展到二维.读题注意m,n... #include<cstdio> #include<cstring> #include<vector> #include<algorithm> #define CLR(a,b) memset((a),(b),sizeof((a))) using namespace std; ; int dp[N][N]; int main(){ int n, m, i, j,…
F - 最大子矩阵和 Time Limit:1000MS Memory Limit:10000KB 64bit IO Format:%I64d & %I64u Description Given a two-dimensional array of positive and negative integers, a sub-rectangle is any contiguous sub-array of size 1*1 or greater located within t…