POJ - 3624 Charm Bracelet

 1 #include<stdio.h>
 2 #include<string.h>
 3 #define doumax(a,b) (a>b?a:b)
 4 const int maxn=3500,maxm=13000;
 5 int w[maxn],d[maxn],dp[maxm];
 6 int main()
 7 {
 8     int n,m;
 9     while(scanf("%d%d",&n,&m)==2){
10         for(int i=1;i<=n;i++)
11             scanf("%d%d",&w[i],&d[i]);
12         memset(dp,0,sizeof(dp));
13         for(int i=1;i<=n;i++)
14         for(int j=m;j>0;j--){
15             if(j>=w[i])
16                 dp[j]=doumax(dp[j],dp[j-w[i]]+d[i]);
17         }
18         printf("%d\n",dp[m]);
19     }
20     return 0;
21 }