# include<iostream>
# include<vector>
using namespace std;
//容器中嵌套容器

void test01()
{
	vector<vector<int>> v;

	//先创建小容器
	vector<int> v1;
	vector<int> v2;
	vector<int> v3;
	vector<int> v4;
	vector<int> v5;

	for (int i = 0; i < 5; i++)
	{
		v1.push_back(i + 1);
		v2.push_back(i + 2);
		v3.push_back(i + 3);
		v4.push_back(i + 4);
		v5.push_back(i + 5);
	}

	//将小容器中数据插入到大的容器中
	
	v.push_back(v1);
	v.push_back(v2);
	v.push_back(v3);
	v.push_back(v4);
	v.push_back(v5);

	//通过大容器，把所有数据都遍历一遍
	for ( vector<vector<int> >::iterator it = v.begin(); it != v.end(); it++)
	{
		//(*it) -- 容器   vector