ACboy needs your help HDU - 1712 ans[i][j]表示前i门课共花j时间最大收益.对于第i门课,可以花k(0<=k<=j)时间,那么之前i-1门课共花j-k时间. 错误记录: 21行一个0写成1 #include<cstdio> #include<cstring> #include<algorithm> using namespace std; ][],ans[][]; int n,m,anss; int main() {…
转载请注明出处:http://blog.csdn.net/u012860063 题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1712 Problem Description ACboy has N courses this term, and he plans to spend at most M days on study.Of course,the profit he will gain from different course depen…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1712 ACboy needs your help Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3045 Accepted Submission(s): 1581 Problem Description ACboy has N cou…
ACboy needs your help Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2793 Accepted Submission(s): 1441 Problem Description ACboy has N courses this term, and he plans to spend at most M day…
ACboy needs your help Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5872 Accepted Submission(s): 3196 Problem Description ACboy has N courses this term, and he plans to spend at most M days…
分组背包需求 有N件物品,告诉你这N件物品的重量以及价值,将这些物品划分为K组,每组中的物品互相冲突,最多选一件,求解将哪些物品装入背包可使这些物品的费用综合不超过背包的容量,且价值总和最大. 解题模板 和01背包很相似,就是在每一个组内枚举每一个物品,注意要先枚举背包容量之后枚举属于某个组的所有物品,这样的话才可以保证"每组中的物品互相冲突,最多选一件" for 所有的组k for v=V..0 for 所有的i属于组k dp[v]=max{dp[v],dp[v-weight[i]]…