执行 cl.exe 时出错，请问该怎么处理？

Question

#include <iostream>#include <string>#include <vector>using namespace std;int main(){int testi;vector<int> test;while(cin >> testi)test.push_back(testi);for(vector<int>::size_type t1 = 0; t1 != test.size(); t1++){for(vector<int>::size_type t2 = 0; t2 != test.size(); t2++){}}for(vector<int>::const_iterator iter1 = text.begin(); iter1 != text.end(); iter1++){for(vector<int>::const_iterator iter2 = text.begin(); iter2 != text.end(); iter2++);cout<< *iter1 << " " << *iter2 << " ";}return 0;}ErrorF:\计算机\编程\C++\Test\try_vector_arr\s.cpp(17) : error C2065: 'text' : undeclared identifierF:\计算机\编程\C++\Test\try_vector_arr\s.cpp(17) : error C2228: left of '.begin' must have class/struct/union typeF:\计算机\编程\C++\Test\try_vector_arr\s.cpp(17) : error C2228: left of '.end' must have class/struct/union typeF:\计算机\编程\C++\Test\try_vector_arr\s.cpp(18) : error C2228: left of '.begin' must have class/struct/union typeF:\计算机\编程\C++\Test\try_vector_arr\s.cpp(18) : error C2228: left of '.end' must have class/struct/union type执行 cl.exe 时出错.

Answer 1

F:\计算机\编程\C++\Test\try_vector_arr\s.cpp(17) : error C2065: 'text' : undeclared identifier
第一行就指明了错误，未定义标识符 text
你在前面定义的是 vector<int> test;
调用的时候是 text ，哪能不出错?

Answer 2

指针变量用 -> 访问其内部的值