HDU2602 Bone Collector 01背包DP 模板题
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Bone Collector
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 46602 Accepted Submission(s): 19405
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
Source
HDU 1st “Vegetable-Birds Cup” Programming Open Contest
给出若干物体的重量和价值,问在一定重量内能得的最大价值。复杂度O(V*W)。
int dp[1009][1009];//从第i个物品开始,挑选重量不大于j时的最大值
#include <iostream>#include <stdio.h>#include <math.h>#include <stdlib.h>#include <string>#include <string.h>#include <algorithm>#include <vector>#include <queue>#include <iomanip>#include <time.h>#include <set>#include <map>#include <stack>using namespace std;typedef long long LL;const int INF=0x7fffffff;const int MAX_N=10000;int T,N,W;int value[1009];int weight[1009];int dp[1009][1009];//从第i个物品开始,挑选重量不大于j时的最大值void solve(){ memset(dp,0,sizeof(dp)); for(int i=N;i>=1;i--){ for(int j=0;j<=W;j++){ if(j<weight[i]){ dp[i][j]=dp[i+1][j]; } else{ dp[i][j]=max(dp[i+1][j],dp[i+1][j-weight[i]]+value[i]); } } }}int main(){ cin>>T; while(T--){ cin>>N>>W; for(int i=1;i<=N;i++){ scanf("%d",&value[i]); } for(int i=1;i<=N;i++){ scanf("%d",&weight[i]); } solve(); cout<<dp[1][W]<<endl; } return 0;}
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