HDU 5410 CRB and His Birthday

 1 #include <iostream>
 2 #include <cstring>
 3 using namespace std;
 4 
 5 int ma(int a,int b)
 6 {
 7     if (a>b)
 8     return a;
 9     else
10     return b;
11 }
12 int main()
13 {
14     int ans[12000],v,a[1100],b[1100],c[1100],n,m,T;
15     cin>>T;
16     while (T--)
17     {
18           cin>>v>>m;
19           for (int i=1;i<=m;i++)
20           cin>>c[i]>>a[i]>>b[i];
21           memset(ans,0,sizeof(ans));
22           for (int i=1;i<=m;i++)//处理第一阶段，0/1背包 
23           {
24               for (int j=v;j>=c[i];j--)
25               {
26                   ans[j]=ma(ans[j],ans[j-c[i]]+a[i]+b[i]);              
27               }
28           }
29           for (int i=1;i<=m;i++)//处理第二阶段，完全背包。 
30           {
31               for (int j=c[i];j<=v;j++)
32               {
33                    ans[j]=ma(ans[j],ans[j-c[i]]+a[i]);
34               }
35           }
36           cout <<ans[v]<<endl;
37     }
38     return 0;
39 }