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fractionalkanpsack.cpp
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fractionalkanpsack.cpp
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#include<iostream>
using namespace std;
int main()
{
int n,capacity,sum=0,t=0;
cout<<"No. of items: ";
cin>>n;
cout<<"Enter capacity: ";
cin>>capacity;
int weight[n],value[n];
float wbyv[n],a;
for(int i=0;i<n;i++)
{
cout<<"Enter "<<i+1<<"item weight: ";
cin>>weight[i];
cout<<"Enter "<<i+1<<" item value: ";
cin>>value[i];
a=weight[i]/1.0;
wbyv[i]=value[i]/a;
}
for(int i=0;i<n-1;i++)
{
for(int j=i+1;j<n;j++)
{
if(wbyv[i]<wbyv[j])
{swap(wbyv[i],wbyv[j]);
swap(weight[i],weight[j]);
swap(value[i],value[j]);
}
}
}
int i=0;
while(t==0)
{ // cout<<"HI";
if(weight[i]<capacity)
{sum+=value[i];
capacity-=weight[i];}
else
{
sum+=(value[i]*capacity)/weight[i];
break;
}
i++;
// cout<<sum<<" ";
}
cout<<"Max value is: "<<sum;
// for(int i=0;i<n;i++)
// cout<<wbyv[i]<<" "<<weight[i]<<" "<<value[i]<<" \n";
system("pause");
return 0;
}