01背包（模板题） 之 poj 3624

01背包模板题。。。

 1 #include <iostream>
 2 #include <cstdlib>
 3 #include <cstdio>
 4 #include <cstring>
 5 #include <algorithm>
 6 using namespace std;
 7 const int MAX = 3410, max_w = 12885;
 8 int N, M;
 9 int W[MAX], D[MAX], dp[max_w];
10 
11 int Solve() {
12     memset(dp, 0, sizeof(dp));
13     for (int i = 1; i <= N; ++i) {
14         for (int j = M; j >= W[i]; --j) {
15             dp[j] = max(dp[j], dp[j - W[i]] + D[i]);
16         }
17     }
18     return dp[M];
19 }
20 
21 int main() {
22     //freopen("input.txt", "r", stdin);
23     scanf("%d %d", &N, &M);
24     for (int i = 1; i <= N; ++i) {
25         scanf("%d %d", &W[i], &D[i]);
26     }
27     printf("%d\n", Solve());
28     return 0;
29 }

 



 

posted @ 2014-07-16 21:26  JmingS  阅读(204)  评论(0)  编辑  收藏  举报