72 lines
1.0 KiB
C++
72 lines
1.0 KiB
C++
Job Sequencing with Deadlines while Maximizing Profits
|
|
|
|
#include<iostream>
|
|
#include<list>
|
|
using namespace std;
|
|
class node{
|
|
public:
|
|
int d,p,t;
|
|
bool operator < (node n)
|
|
{
|
|
if(p<n.p)
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
int main()
|
|
{
|
|
int d,p,t,i,profit,min,n;
|
|
list<node> lst;
|
|
node pt;
|
|
cout<<"Enter no of entries
|
|
";
|
|
cin>>n;
|
|
for(i=0;i<n;i++)
|
|
{
|
|
cout<<"enter data(p,d,t)
|
|
";
|
|
cin>>p>>d>>t;
|
|
pt.d=d;
|
|
pt.p=p;
|
|
pt.t=t;
|
|
lst.push_back(pt);
|
|
}
|
|
int maxd=0;
|
|
lst.sort();
|
|
lst.reverse();
|
|
cout<<"
|
|
sorted list
|
|
";
|
|
list <node> :: iterator itr=lst.begin();
|
|
while(itr!=lst.end()){
|
|
pt=*itr;
|
|
if(maxd<pt.d) maxd=pt.d;
|
|
cout<<pt.p<<endl<<pt.d<<endl<<pt.t<<endl<<endl;
|
|
itr++;
|
|
}
|
|
//cout<<" max deadline "<<maxd<<endl;
|
|
itr=lst.begin();
|
|
profit=0;
|
|
while(itr!=lst.end())
|
|
{
|
|
|
|
pt=*itr;
|
|
|
|
if(pt.d>=pt.t)
|
|
min=pt.t;
|
|
else
|
|
min=pt.d;
|
|
|
|
if(maxd>=min)
|
|
profit+=min*pt.p;
|
|
else
|
|
profit+=maxd*pt.p;
|
|
itr++;maxd=maxd-min;
|
|
|
|
}
|
|
cout<<"profit is : "<<profit<<endl;
|
|
return 0;
|
|
}
|