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62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
#include<stdio.h>
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#include<conio.h>
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int w[10],p[10],v[10][10],n,i,j,cap,x[10]= {0};
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int max(int i,int j)
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{
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return ((i>j)?i:j);
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}
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int knap(int i,int j)
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{
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int value;
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if(v[i][j]<0)
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{
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if(j<w[i])
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value=knap(i-1,j);
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else
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value=max(knap(i-1,j),p[i]+knap(i-1,j-w[i]));
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v[i][j]=value;
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}
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return(v[i][j]);
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}
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void main()
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{
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int profit,count=0;
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clrscr();
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printf("\nEnter the number of elements\n");
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scanf("%d",&n);
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printf("Enter the profit and weights of the elements\n");
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for (i=1; i<=n; i++)
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{
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printf("For item no %d\n",i);
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scanf("%d%d",&p[i],&w[i]);
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}
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printf("\nEnter the capacity \n");
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scanf("%d",&cap);
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for (i=0; i<=n; i++)
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for (j=0; j<=cap; j++)
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if((i==0)||(j==0))
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v[i][j]=0;
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else
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v[i][j]=-1;
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profit=knap(n,cap);
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i=n;
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j=cap;
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while(j!=0&&i!=0)
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{
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if(v[i][j]!=v[i-1][j])
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{
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x[i]=1;
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j=j-w[i];
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i--;
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}
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else
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i--;
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}
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printf("Items included are\n");
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printf("Sl.no\tweight\tprofit\n");
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for (i=1; i<=n; i++)
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if(x[i])
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printf("%d\t%d\t%d\n",++count,w[i],p[i]);
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printf("Total profit = %d\n",profit);
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getch();
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} |