HDU 2602 Bone Collector【01背包】
2017-04-11 21:56
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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 ?
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.
Output
One integer per line representing the maximum of the total value (this number will be less than 231).
Sample Input
1
5 10
1 2 3 4 5
5 4 3 2 1
Sample Output
14
Code
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 ?
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.
Output
One integer per line representing the maximum of the total value (this number will be less than 231).
Sample Input
1
5 10
1 2 3 4 5
5 4 3 2 1
Sample Output
14
Code
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int N = sc.nextInt(); sc.nextLine(); while (N-- > 0) { String[] tmp = sc.nextLine().split(" "); int n = Integer.parseInt(tmp[0]); int w = Integer.parseInt(tmp[1]); int[] weight = new int ; int[] value = new int ; tmp = sc.nextLine().split(" "); for (int i = 0; i < n; i++) value[i] = Integer.parseInt(tmp[i]); tmp = sc.nextLine().split(" "); for (int i = 0; i < n; i++) weight[i] = Integer.parseInt(tmp[i]); int[][] dp = new int[n + 1][w + 1]; for (int i = 0; i < n; i++) for (int j = 0; j <= w; j++) { if (j < weight[i]) dp[i + 1][j] = dp[i][j]; else dp[i + 1][j] = Math.max(dp[i][j], dp[i][j - weight[i]] + value[i]); } System.out.println(dp [w]); } } }
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