HDU 2602 Bone Collector(01背包)
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题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2602点击打开链接
Bone Collector
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 66521 Accepted Submission(s): 27756
Problem Description
Many years ago , in Teddy’s hometown there was a man who was called “Bone Collector”. This man like to collect varies of bones , such as dog’s , cow’s , also he went to the grave …
The bone collector had a big bag with a volume of V ,and along his trip of collecting there are a lot of bones , obviously , different bone has different value and different volume, now given the each bone’s value along his trip , can you calculate out the maximum of the total value the bone collector can get ?
The bone collector had a big bag with a volume of V ,and along his trip of collecting there are a lot of bones , obviously , different bone has different value and different volume, now given the each bone’s value along his trip , can you calculate out the maximum of the total value the bone collector can get ?
Input
The first line contain a integer T , the number of cases.
Followed by T cases , each case three lines , the first line contain two integer N , V, (N <= 1000 , V <= 1000 )representing the number of bones and the volume of his bag. And the second line contain N integers representing the value of each bone. The third line contain N integers representing the volume of each bone.
Followed by T cases , each case three lines , the first line contain two integer N , V, (N <= 1000 , V <= 1000 )representing the number of bones and the volume of his bag. And the second line contain N integers representing the value of each bone. The third line contain N integers representing the volume of each bone.
Output
One integer per line representing the maximum of the total value (this number will be less than 231).
Sample Input
15 101 2 3 4 55 4 3 2 1
Sample Output
14
Author
Teddy
基础01背包
#include<bits/stdc++.h>#define maxn 1010using namespace std;struct xjy{ int value; int volume; bool operator < (const xjy &r)const { return value>r.value; }};xjy a[maxn];int dp[maxn];int main(){ int n; int sum=0; while(cin >> n) { while(n--) { memset(dp,0,sizeof(dp)); int num;int V; cin >> num >> V; for(int i=1;i<=num;i++) scanf("%d",&a[i].value); for(int i=1;i<=num;i++) scanf("%d",&a[i].volume); sort(a+1,a+num+1); for(int i=1;i<=num;i++) for(int j=V;j>=a[i].volume;j--) dp[j]=max(dp[j],dp[j-a[i].volume]+a[i].value); cout << dp[V] << endl; } }}
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