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#include<iostream>
#include<queue>
#include<vector>
#include<climits>
#include<conio.h>
#include<string>
#include<string.h>
#include<set>
#include<algorithm>
using namespace std;
class W_report
{
private:
string city;
string report;
public:
int distance;
W_report()
{
city='\0';
report='\0';
distance=0;
}
W_report(string f, string l, int p) : city(f),report(l),distance(p)
{
}
void display()
{
if(distance>0 )
cout << " CITY : " << city << endl << " Weather Report : " << report << endl ;
}
void ldisplay() const
{
if(distance>0 )
cout << " CITY : " << city << endl << " Weather Report : " << report << endl ;
}
friend bool operator < (const W_report &p1, const W_report& p);
friend bool operator == (const W_report &p1, const W_report &p);
bool searchcity (const W_report p) const
{
if(city==p.city)
return true;
return false;
}
};
bool operator < (const W_report &p1,const W_report& p)
{
if(p1.distance < p.distance)
return true;
return false;
}
bool operator == (const W_report &p1, const W_report &p)
{
if((p1.distance==p.distance))
return true;
else
return false;
}
void printreport(W_report w)
{
w.display();
}
int main()
{
W_report w1("Islamabad","It will Rain",200);
W_report w2("Faisalabad","MAX temperature will be 32 degrees",300);
W_report w3("Multan","MAX temperature will be 45 degrees",400);
W_report w4("Peshawar","It could rain in the morning",500);
W_report w5("Karachi","There will be no rain for 2 days",600);
W_report w6("Hyderabad","It will Rain heavily for today",250);
W_report w7("Rawalakot","There will be snowfall today!!! ",150);
W_report w8("Lahore","No RAIN but MAX temperature will be 20 degrees only ",572);
W_report w9("Bagh","COULD be snowfall today",700);
W_report w10("Mirpur","MAX temp will exceed 50 degrees ",1000);
W_report w11("Muzafarabad","There will be no rain but MAX temperature will be 24 degrees ",1400);
W_report w12("Gilgit","MAX Temperature will be 40 degrees till evening, after that it could rain ",1600);
W_report w13("Sialkot","In will rain for whole night ",1900);
W_report w14("Swat","There could be rain ",1300);
set <W_report, less<W_report> > perset;
perset.insert(w1);
perset.insert(w2);
perset.insert(w3);
perset.insert(w4);
perset.insert(w5);
perset.insert(w6);
perset.insert(w7);
perset.insert(w8);
perset.insert(w9);
perset.insert(w10);
perset.insert(w11);
perset.insert(w12);
perset.insert(w13);
perset.insert(w14);
set <W_report, less<W_report> > :: iterator persit;
persit=perset.begin();
for_each(perset.begin(),perset.end(),printreport );
W_report search_city("Swat","XYZ",380);
for(int i=0;persit != perset.end();persit++,i++)
{
if((*persit).searchcity(search_city))
{
(*persit).ldisplay();
break;
}
}
int ldistance=10000;
set<W_report, less<W_report> > :: iterator nearest_report;
if(persit == perset.end() )
{
cout << " CITY REPORT NOT FOUND IN THE GIVEN DATABASE : RETURNING NEAREST REPORT " << endl;
persit=perset.begin();
nearest_report=persit;
for(int i=0;persit != perset.end();persit++,i++)
{
if(ldistance<abs((*persit).distance-search_city.distance))
{
(*nearest_report).ldisplay();
break;
}
else
{
ldistance=abs((*persit).distance-search_city.distance);
nearest_report=persit;
}
}
}
getch();
return 0;
}
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