#include<iostream>
#include <vector>
using namespace std;
//passing vec by reference
int getArray(std::vector<int> &vec)
{
int len;
cout << "Enter the length of the vector" << endl;
cin >> len;
cout << "Enter the elements in the vector" << endl;
int element;
for (int i = 0; i < len; ++i)
{
cin >> element;
vec.push_back(element);//use push_back to add element to vector
}
return len;
}
//passing vec by reference
void printArray(std::vector<int> &vec, int len)
{
for (int i = 0; i < len; i++)
{
cout << vec[i]<<std::endl;//use vec[i] to access ith element
}
}
int main()
{
std::vector<int> vec;
int len = getArray(vec);
printArray(vec, len);
return 0;
}
