题目链接:Max Sum Plus Plus Plus 题意:在n个数中取m段数使得这m段数之和最大,段与段之间不能重叠 分析:见代码 //dp[i][j]表示前i个数取了j段的最大值 //状态转移:dp[i][j]=max(dp[k][j-1]+(sum[k+l[j]-sum[k]或者sum[i]-sum[i-l[j]) (0<=k<=i-l[j]) // 这种做法是O(n^2)的 //如果改成O(n)的呢? //需要加一个数组max_dp[i][j]表示前i个数取j段的dp最大值 //如果…
http://acm.hdu.edu.cn/showproblem.php?pid=1024 Max Sum Plus Plus Problem Description Now I think you have got an AC in Ignatius.L's "Max Sum" problem. To be a brave ACMer, we always challenge ourselves to more difficult problems. Now you are fac…
Problem Description Given a circle sequence A[1],A[2],A[3]......A[n]. Circle sequence means the left neighbour of A[1] is A[n] , and the right neighbour of A[n] is A[1]. Now your job is to calculate the max sum of a Max-K-sub-sequence. Max-K-sub-sequ…
Max Sum Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 292444 Accepted Submission(s): 69379 Problem Description Given a sequence a[1],a[2],a[3]......a[n], your job is to calculate the max s…
Max Sum Plus Plus Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 36673 Accepted Submission(s): 13069 Problem Description Now I think you have got an AC in Ignatius.L's "Max Sum" proble…
Problem Description Given a sequence a[1],a[2],a[3]......a[n], your job is to calculate the max sum of a sub-sequence. For example, given (6,-1,5,4,-7), the max sum in this sequence is 6 + (-1) + 5 + 4 = 14. Input The first line of the input contai…
Max Sum Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 287192 Accepted Submission(s): 68202 Problem Description Given a sequence a[1],a[2],a[3]......a[n], your job is to calculate the max su…
Max Sum Plus Plus Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 21336 Accepted Submission(s): 7130 Problem Description Now I think you have got an AC in Ignatius.L's "Max Sum" problem…
Max Sum Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 174588 Accepted Submission(s): 40639 Problem Description Given a sequence a[1],a[2],a[3]......a[n], your job is to calculate the max s…
题目链接 链接:https://leetcode.com/problems/max-sum-of-rectangle-no-larger-than-k/description/ 题解&代码 1.暴力枚举所有的情况,时间复杂度O(n^2*m^2),实际耗时759 ms class Solution { public: int maxSumSubmatrix(vector<vector<int> >& matrix, int k) { int n=matrix.size…
