HDU 2602 OJ Bone Collector
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01背包模板题。就是求一定空间下的最大价值问题、
Bone Collector
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 22041 Accepted Submission(s): 8912
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
#include <stdio.h>int max(int x, int y){ if(x > y) return x; else return y;}int dp[1010][1010];int main(){ int t, n, v, i, j; int c[10101], w[10101]; while(~scanf("%d",&t)) { while(t--) { scanf("%d %d",&n, &v); for(i = 1; i <= n; i++) scanf("%d",&w[i]); for(i = 1; i <= n; i++) scanf("%d",&c[i]); for(i = 0; i <= n; i++) dp[i][0] = 0; for(i = 0; i <= v; i++) dp[0][i] = 0; for(i = 1; i <= n; i++) { for(j = 0; j <= v; j++) { dp[i][j] = dp[i-1][j]; if(j >= c[i]) dp[i][j] = max(dp[i-1][j] , dp[i-1][j-c[i]] + w[i]); } } printf("%d\n",dp[n][v]); } } return 0;}
#include <stdio.h>#include <iostream>using namespace std;int _max(int a, int b){ return a > b ? a : b;}int main(){ int w[10100], v[10100], dp[10100]; int i, j; int n, m, t; while(~scanf("%d",&t)) { while(t--) { scanf("%d %d",&n, &m); for(i = 1; i <= n; i++) scanf("%d",&w[i]); for(i = 1; i <= n; i++) scanf("%d",&v[i]); for(i = 0; i <= m; i++) dp[i] = 0; for(i = 1; i <= n; i++) { for(j = m; j >= v[i]; j--) dp[j] = _max(dp[j], dp[j-v[i]]+w[i]); } printf("%d\n",dp[m]); } } return 0;}
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