琥珀春秋

#include <stdio .h>
#include <stdlib .h>
 
int n=5,c=10;
int value[5]={6,3,5,4,6};
int weight[5]={2,2,6,5,4};
int cv[5]={0,0,0,0,0};
int bv[5]={0,0,0,0,0};
int cw=0;
int curv = 0 ;
int bestv =0 ;
void output()
{
   int i =0;
   for(i; i<n ; i++)
     printf("%d ",bv[i]);
   printf("%d",bestv);     
}
 
void trackback(int i)
{
     int j;
    if(i>=n)
    {
         if(bestv<curv ) 
        {
            for(j=0;j<n;j++)
                bv[j] = cv[j]; 
            bestv = curv;
        } 
    }
    else
    {
         if(cw + weight[i]<=c)
         {
          cv[i] = 1; 
          cw +=weight[i];
          curv+= value[i];
          trackback(i+1);
          cw -=weight[i];
          curv-= value[i];
          }
          cv[i] =0;
          trackback(i+1);
 
    }
 
 
}
int main(int argc, char *argv[])
{
  trackback(0);
  output();
  system("PAUSE");	
  return 0;
}