void Pretreatment::paperDatePretreat(string path)
{
int max = 0, min = INT_MAX;
set<string> s;
PaperReader pr(path);
Paper p;
while(pr.getNextPaper(p))
{
cout<<p.getIndex()<<endl;
if(p.getYear() < min && p.getYear() != 0)
{
min = p.getYear();
}
if(p.getYear() > max)
{
max = p.getYear();
}
s.insert(p.getVenue());
}
ofstream fout;
fout.open("./paperResult_2000", ios::out);
fout<<"min : "<<min<<" max : "<<max<<endl;
set<string>::iterator it;
for(it=s.begin(); it != s.end(); it++)
{
fout<<*it<<endl;
}
fout.close();
}
