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knap.c
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93 lines (85 loc) · 1.61 KB
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#include<stdio.h>
float a[100][2];
void knap(float a[100][2],float size,float ksize)
{
float weight;
int i;
weight=0;
printf("entering\n");
for(i=1;i<=size;i++)
{
if(ksize>a[i][1])
{
//printf("kzise=%f",ksize);
ksize=ksize-a[i][1];
weight=weight+a[i][2];
printf("percentage=1");
printf("weight=%.2f\n",weight);
}
else
{
// printf("kzise=%f",ksize);
weight=weight+((ksize*a[i][2])/a[i][1]);
//i=size+1;
printf("perxentage=%f",(ksize/a[i][2]));
printf("weight=%.2f\n",weight);
//printf("kziseafter=%f",ksize);
i=size+1;
}
}
printf("%f",weight);
}
int main()
{
float size,temp,temp1,pw,pw1,ksize;
int i,j;
printf("enter the size\n");
scanf("%f",&size);
printf("enter knapsack size\n");
scanf("%f",&ksize);
for(i=1;i<=size;i++)
{
for(j=1;j<=2;j++)
{
scanf("%f",&a[i][j]);
}
}
for(i=1;i<=size;i++)
{
for(j=1;j<=2;j++)
{
printf("%.2f\t",a[i][j]);
}
printf("\n");
}
for(i=1;i<=size;i++)
{
for(j=i+1;j<=size;j++)
{
pw=a[i][2]/a[i][1];
pw1=a[j][2]/a[j][1];
if(pw1>pw)
{
temp=a[i][1];
temp1=a[i][2];
a[i][1]=a[j][1];
a[i][2]=a[j][2];
a[j][1]=temp;
a[j][2]=temp1;
}
else
{}
}
}
printf("matrix\n");
for(i=1;i<=size;i++)
{
for(j=1;j<=2;j++)
{
printf("%.2f\t",a[i][j]);
}
printf("\n");
}
knap(a,size,ksize);
return 0;
}