set iterator

#include<bits/stdc++.h>
using namespace std;
int main()
{   /// bro tara chuto ,,,,(,greatre<int>) baddila chuto taka boro daka ba;;;
    ///setv.insert(i);,for gurala value gula inset hoha jaba;;;;;;
 /*   set<int, greater<int>>setv;
    set<int ,greater<int>> :: iterator it;
      setv.insert(20);
      setv.insert(10);
      setv.insert(30);
      setv.insert(30);
      setv.insert(50);
      setv.insert(45);
      for(it=setv.begin();it!=setv.end();it++)
      {
          cout<<*it<<" ";

      }

*/
   ///SET ar size, SET empty ki na,ba setv.clear(); diha clear kora ;


      set<int, greater<int>>setv;
      set<int ,greater<int>> :: iterator it;
      setv.insert(20);
      setv.insert(10);
      setv.insert(30);
      setv.insert(30);
      setv.insert(50);
      setv.insert(45);
      for(it=setv.begin();it!=setv.end();it++)
      {
          cout<<*it<<" ";

      }
      cout<<endl;




    cout<<"if empty ans is 1 than it set empty .... \nOR if empty ans is 0 then set is not empty\n";
    cout<<"size1="<<setv.size()<<" "<<"empty funtion="<<setv.empty()<<endl;

      setv.clear();

    cout<<"size1="<<setv.size()<<" "<<"empty funtion="<<setv.empty()<<endl;

    for(it=setv.begin();it!=setv.end();it++)
      {
          cout<<*it<<" ";

      }
      cout<<" abc";











}