Struct array, functions, error handling C++

#include <iostream>



using namespace std;

struct Vehicles

{

string car_model;

string car_make;

int car_mileage;

int car_year;

};
/* function phrams naming is not the same
   as your varitables name, and it uses
   its own naming schem inside of itself
*/
void getData(Vehicles a[],int s);
void output( Vehicles v[], int size);

int main(){
int amount;
      cout<<"Enter amount of cars to be logged\n";
            cin>>amount;
      Vehicles var[amount];
      getData(var,amount);
      output(var,amount);
return 0;
}

void getData(Vehicles a[],int s)
{   /* use finctions naming inside
      itself
    */
    char run='y';

      for(int i = 0; i < s; i++)
      {    /* you can pass striaght into
              the members, saving time and
              memory by not using extra data vars
           */

            cout
            <<" Input the Car Model for car number "
            "<"
            <<i+1
            <<">"
            << endl;
            cin  >> a[i].car_model;
            cout << "Input the Car  Make ";
            cin  >> a[i].car_make;
            while(run=='y'){
                  cout << "Input Car mileage:" << endl;
      /* error handling bad input char for int */
                  cin  >> a[i].car_mileage;
                  if(!cin){
                        cin.clear();
                        cin.ignore(
                        numeric_limits<streamsize>::max(),
                        '\n');
                        /*.ask again */
                        continue;
                  }else{
                              run='n';
                        }
            }/* reset for next loop */
               run='y';
           while(run=='y'){
                  cout << "Input Car Year:" << endl;
                  cin  >> a[i].car_year;
                  if(!cin){
                        cin.clear();
                        cin.ignore(
                        numeric_limits<streamsize>::max(),
                        '\n');
                        continue;
                 }else{
                              run='n';
                       }
           }
        }
}

void output( Vehicles v[], int size )
{
      /*
            this formatting style is of
            my own makes it easier to
            change things;
     */

      for ( int i = 0; i < size; i++)
      {

            cout
            <<endl
            <<endl
            << "("
            <<i+1
            <<")"
            <<"Car Model"
            << "::"
            << v[i].car_model
            << endl;

            cout
            << "Car Make"
            << "::"
            << v[i].car_make
            << endl;

            cout
            << "Car Mileage"
            << "::"
            << v[i].car_mileage
            << endl;

            cout
            << "Car Year"
            << "::"
            << v[i].car_year
            << endl<<endl;
      }
}