hdu3127

hdu3127
简单DP      题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=3127
hdu3127_第1张图片
状态转移方程:f[i,j]=max{f[i,j],f[i-a,j]+f[a,j-b]+p,f[i,j-b]+f[i-a,b]+p}
                  f[i,j]=max{f[i,j],f[i-b,j]+f[b,j-a]+p,f[i,j-a]+f[i-b,a]+p}
#include < iostream >
#include
< algorithm >
#define  max(a,b) (a>b?a:b)
using   namespace  std;
int  test,n,x,y;
int  f[ 1005 ][ 1005 ];
typedef 
struct  
{
   
int len,wth,val;
}
CLOTH;
CLOTH c[
15 ];
int  main()
{
    scanf(
"%d",&test);
    
while(test--)
    
{
         scanf(
"%d%d%d",&n,&x,&y);
         
for(int i=0;i<n;i++)
         scanf(
"%d%d%d",&c[i].len,&c[i].wth,&c[i].val);
         memset(f,
0,sizeof(f));
         
for(int i=1;i<=x;i++)
         
for(int j=1;j<=y;j++)
         
{
              
for(int k=0;k<n;k++)
              
{
                  
int a=c[k].len;
                  
int b=c[k].wth;
                  
if(i>=a&&j>=b)
                  
{
                       f[i][j]
=max(f[i][j],f[i-a][j]+f[a][j-b]+c[k].val);
                       f[i][j]
=max(f[i][j],f[i][j-b]+f[i-a][b]+c[k].val);
                  }

                  swap(a,b);
                  
if(i>=a&&j>=b)
                  
{
                       f[i][j]
=max(f[i][j],f[i-a][j]+f[a][j-b]+c[k].val);
                       f[i][j]
=max(f[i][j],f[i][j-b]+f[i-a][b]+c[k].val);
                  }

              }

         }

         printf(
"%d\n",f[x][y]);
    }

    
//system("pause");
    return 0;
}

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