#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
// Функція для сортування за спаданням
bool descending(int i,int j){return i>j;}
int main(){
 //1
vector<int>myvector;
//2
for(int i=0;i<10;i++)myvector.push_back(i);
cout<<"size"<<myvector.size()<<"\n";
cout<<"capacity:"<<myvector.capacity()<<"\n";
for(int i=0;i<7;i++){
int n;
cin>>n;
myvector.push_back(n);}
//3
vector<int>::iterator it2;
it2=myvector.begin();
it2+=2;
cout<<*it2;
it2=myvector.end();
cout<<*(it2-1);
for(vector<int>::iterator it=myvector.begin();it!=myvector.end();++it)
cout<<' '<<*it;
cout<<endl;
//4
myvector.pop_back();
for(vector<int>::iterator it=myvector.begin();it!=myvector.end();++it)
cout<<' '<<*it;
//5
cout<<endl<<myvector.front()<<" "<<myvector.back()<<endl;
//6
vector<int>secondVector={100,200,300};
myvector.insert(myvector.end(),secondVector.begin(),secondVector.end());
sort(myvector.begin(),myvector.end(),descending);
for(vector<int>::iterator it=myvector.begin();it!=myvector.end();++it)
cout<<' '<<*it;
//7
cout<<endl;
cout<<myvector.size()<<endl;
//8
bool comp=false;
int x=3;
for(vector<int>::iterator it=myvector.begin();it!=myvector.end();++it){
if(*it==x){
comp=true;
break;}}
cout<<comp<<endl;
//9
myvector.clear();
cout<<myvector.size();
/*
cout<<"size"<<myvector.size()<<"\n";
cout<<"capacity:"<<myvector.capacity()<<"\n";
cout<<"max-size:"<<myvector.max_size()<<"\n";
for(int i=0;i<7;i++){
myvector.pop_back();
cout<<"size"<<myvector.size()<<"\n";
cout<<"capacity:"<<myvector.capacity()<<"\n";
}
*/
return 0;}
 

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