Question

How to insert item into deque using iterator position in C++

Answer 1

#include <iostream>
#include <deque>

using std::cout;
using std::endl;
using std::deque;

int main()
{
	deque<int> dq{ 1, 2, 3, 4, 5 };
	deque<int>::iterator p;

	p = dq.begin() + 2;
	dq.insert(p, 999);
	
	for (int val : dq)
		cout << val << " ";
	cout << endl;

	return 0;
}

/*
run:

1 2 999 3 4 5

*/

 

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