////////////////////////////////////////
// 2018/04/25 21:12:41
// list-begin
// return an iterator to the beginning
#include <iostream>
#include <list>
#include <algorithm>
#include <iterator>
#include <numeric>
using namespace std;
int main(){
list<int> l(5);
iota(l.begin(), l.end(), 1);
list<int>::iterator it = l.begin();
while (it != l.end()){
cout << *(it++) << " ";
}
cout << endl;
// third element of the list
it = l.begin();
it++;
it++;
cout << *it << endl;
return 0;
}
/*
OUTPUT:
1 2 3 4 5
3
*/