C/C++输入数组

int n=0;
printf("please enter the number:
");
scanf("%d",&n);
  
int *number=new int[n];
  
for(int i=0;i<n;++i)
   scanf("%d ",&number[i]);

#include<iostream>
#include<vector>
using namespace std;
 
 
 
 
 
int main()
{
    /*
    已知数组的大小,使用动态数组
    */
    int i = 0;
    int num;
    int * a = new int[5];
    while (cin >> num ) {
        if (cin.get() == '
')   //遇到回车，终止
            break;
        a[i++] = num;
    }
 
    /*
    数组大小未知时
    */
    vector<int>b;
    while (cin >> num)
    {
        if (cin.get() == '
')   //遇到回车，终止
            break;
        b.push_back(num);
 
    }
    cout << "程序终止了" << endl;
    system("pause");
    return 0;
}