std::vector<int>::iterator channelIter = intVector.begin()
std::cout<< (int)(*channelIter);

void del(){
	int del_element;
	system("cls");
	printf("Enter del elemet:\n");
	scanf_s("%d", &del_element);
	for(vector<int>::iterator i = elements.begin(); i != elements.end(); i++){
		if((int)(*i) == del_element){
			elements.erase(i);
		}
	}

elements.erase(i);

#include <iostream>
#include <vector>
#include <boost/bind.hpp>
#include <boost/foreach.hpp>
#include <functional>
#include <algorithm>

using namespace std;

int main()
{
	vector<int> elements;

	elements.push_back(1);
	elements.push_back(2);
	elements.push_back(3);
	elements.push_back(4);
	elements.push_back(5);

	int del_element = 3;

	cout << "before remove:";
	BOOST_FOREACH(int val, elements) cout << " " << val;

	vector <int>::iterator new_end = remove_if(elements.begin(), elements.end(), 
            boost::bind(std::equal_to<int>(), _1, del_element));
	elements.erase (new_end, elements.end( ) );

	cout << "\nafter remove: ";
	BOOST_FOREACH(int val, elements) cout << " " << val;

	cout << '\n';

	system("pause");
}

for(int i = 0; i < elements.size(); i++){
    if(elements[i] == del_element){
        elements.erase(elements.begin() + i);
        // важный момент. из-за удаления пропускаем одну запись, если не править i
        i--;
    }
}