#include<iostream>
#include <vector>
using namespace std;
int main() {
   int numbers[6]={5,12,3,17}; //the array has a fixed size of 6, the last 2 will be 0
   int count=sizeof(numbers)/sizeof(int);
   cout<<"There are "<<count<<" numbers\n";
   for(int i=0;i<count;i++) {
      cout<<numbers[i]<<endl;
   } //print each number
   
   vector<int> vnumbers; //the vector is empty but we can "push" as many int as we want
   vnumbers.push_back(5); //pushes onto the back, or end, of the vector.
   vnumbers.push_back(12);
   vnumbers.push_back(3);
   vnumbers.push_back(17);
   cout<<"\nThere are "<<vnumbers.size()<<" vnumbers\n";
   for(int v=0;v<vnumbers.size();v++) {
      cout<<vnumbers[v]<<endl;
   }//print each number
   system("pause");
   return 0;
}//main