#include <vector>

 #include <iostream>

class Test

{

public:

    int a;

    int b;

    int c;

    Test()

    {

         a = ;

         b = ;

         c = ;

     }

}

int main()

{

     vector<Test> vecTest;

    for(int i = ; i < ; i++)

    {

         Test temp;

         a=i;

         b=i+;

         c=i+;

         vecTest.push_back(temp);

    }

    std::cout.setf(ios::left);

    std::cout.width();

    //一、通过数组下标遍历

    for(int i = ; i < vecTest.size(); i++)

    {

        std::cout << vecTest[i].a << vecTest[i].b << vecTest[i].c <<std::endl;

     }

    //二、通过迭代器遍历

    for(vector<Test>::iterator iter = vecTest.begin();iter != vecTest.end();iter++)

    {

        std::cout << iter->a << iter->b << iter->c <<std::endl;

    }  

    //三、C++11标准，auto关键字遍历

    for(auto iter = vecTest.begin(); iter != vecTest.end(); iter++)

    {

        std::cout << iter->a << iter->b << iter->c <<std::endl;

    }

    for(auto i : vecTest)

    {

         std::cout << iter->a << iter->b << iter->c <<std::endl;

    }

}