inlab6.cpp

#include <iostream>
using namespace std;
int days[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30 ,31};

class UDdate
{
  int day;
  int month;
  int year;
  public:
  int operator-(UDdate&);
  friend istream& operator>>(istream&,UDdate&);
  friend ostream& operator<<(ostream&,UDdate&);
};
class med
{
  
  int medid;
  char name[20];
  UDdate exp_Date;
  public: 
  friend istream& operator>>(istream&,med&);
  friend ostream& operator<<(ostream&,med&);  
  UDdate get_Date();
};

/* THIS IS THE CODE YOU NEED TO INSERT */

int no_of_days(int d, int m, int y){
  int total;
  total = (y-2000) * 365;
  for(int i=0;i<(m-1);i++)
    total+=days[i];
  total += d;
  return total;
}

int UDdate::operator-(UDdate& y){
  int diff = no_of_days(day, month, year) - no_of_days(y.day, y.month, y.year);
}

istream& operator>>(istream& input, UDdate& d){
  input>>d.day>>d.month>>d.year;
  return input;
}

ostream& operator<<(ostream& output, UDdate& d){
  output<<d.day<<endl<<d.month<<endl<<d.year;
  return output;
}

istream& operator>>(istream& input, med& m){
  input>>m.medid>>m.name>>m.exp_Date;
}

UDdate med::get_Date(){
  return exp_Date;
}
ostream& operator<<(ostream& output, med& m){
  output<<m.medid<<endl<<m.name<<endl;
}

/* STOP COPYING */
int main()
{
  int num;
  med e[20];
  UDdate today_Date;
  UDdate exp_Date;
  int diff;
  cin>>num;
  for(int k=0;k<num;k++)
  cin>>e[k];
  cin>>today_Date;  
  for(int j=0;j<num;j++)
  {

  exp_Date = e[j].get_Date();
  diff = exp_Date-today_Date;
  if(diff < 31)
  cout<<e[j];
  }
}