c++读入数量不定的数据

#include "stdafx.h"
#include <iostream>
#include<vector>
#include<iterator>
using namespace std;

int main()
{
vector<int> inputdata;
int value = 0;
while (cin >> value){
inputdata.push_back(value);
}
vector<int>::iterator it;
for (it = inputdata.begin(); it != inputdata.end(); it++){
cout << *it << endl;
}
for (int i = 0; i < inputdata.size(); i++){
cout << inputdata[i] << endl;
}
return 0;
}