C++ 输入一行未知个数的整数

#include<iostream>
#include<vector>
using namespace std;
int main()
{
    vector<int> inputs;
    int n = 0, k=0;
    int i;  
    cin >> i;
    inputs.push_back(i);
    while (cin.get() != '\n')   { 
        cin >> i; 
        inputs.push_back(i);
    }  
    for (int i = 0; i < inputs.size(); i++)
    {
        cout<<inputs[i]<<" ";
    }
     

    return 0;
}

#include <iostream>
#include <vector> 
#include <string>
using namespace std;

int main(void) {
    int num;
    vector<int> v;
    while (cin >> num) {
        v.push_back(num);
        char ch = getchar();//读取下一个字符，为换行符，则break
        if (ch == '\n')
            break;
    }
    system("pause");
    return 0;
}