vector_erase.cpp

#include <bits/stdc++.h>

using namespace std;

void f(vector<int> *v)
{
	vector<int>::iterator vit, vit_end;
	vector<int>::iterator vit2, vit2_end;
	vit = v->begin();
	int i = 0;
	int j;

	while (i < v->size())
	{
		vit2 = vit;
		++vit2;
		j = i + 1;
		while (j < v->size())
		{
			if (*vit == *vit2)
			{
				//cout << &(*vit2) << ' ' << *vit2 << endl;
				vit2 = v->erase(vit2);
				--j;
				--vit2;
				//cout << *vit2 << endl;
			}
			++j;
			++vit2;
		}
		++i;
		++vit;
	}
}

int main()
{
	vector<int> *v = new vector<int>;

	for (int i = 0; i < 7; ++i)
	{
		v->push_back(i);
	}
	v->push_back(0);
	v->push_back(9);
	v->push_back(0);
	v->push_back(0);
	
	v->push_back(0);
	v->push_back(0);
	v->push_back(0);

	vector<int>::iterator vit, vit_end;
	vit = v->begin(), vit_end = v->end();

	while (vit != vit_end)
	{
		cout << &(*vit) << ' ' << *vit << endl;
		++vit;
	}

	printf("=========\n");

	f(v);
	
	//printf("=========\n");

	vit = v->begin(), vit_end = v->end();

	while (vit != vit_end)
	{
		cout << &(*vit) << ' ' << *vit << endl;
		++vit;
	}

	delete v;

	return 0;
}