Question

How to insert elements to list with front_insert_iterator in C++

Answer 1

#include <iostream>
#include <list>
#include <iterator>

using std::list;
using std::cout;
using std::endl;

void print(const list<int>& lst)
{
	for (auto element : lst) {
		cout << element << ' ';
	}
	cout << endl;
}

int main()
{
	list<int> lst;

	std::front_insert_iterator<list<int> > iter(lst);

	*iter = 1;
	iter++;
	*iter = 2;
	iter++;
	*iter = 3;
	iter++;
	*iter = 4;
	
	print(lst);
}


/*
run:

4 3 2 1

*/

 

70+ SQL courses for beginners and professionals