#WSQ16 #TC1017

#include <iostream>

#include <fstream>

#include <string>

#include <cstdlib>

using namespace std;

double sumam=0;

float lineas=0;

double sumac=0;

double sumah=0;

int main ()

{

string line;

  ifstream myfile (“93cars.data.txt”);

  if (myfile.is_open())

  {

  bool cond=true;

    while ( getline (myfile,line) )

    {

      if (cond) 

      {

      string a=line.substr(42,4);

      sumam += atof(a.c_str());

      string b=line.substr(52,2);

sumac +=atof(b.c_str());

string c=line.substr(55,2);

sumah +=atof(c.c_str());

cond=false;  

lineas++;    

 }

      else

      {

      cond=true;

      }

    }

    myfile.close();

  }

  else {

    cout << “Unable to open file”;

  }

  double promediom=sumam/lineas;

  cout<<sumam<<endl;

  cout<<sumac<<endl;

  cout<<sumah<<endl;

  cout<<lineas<<endl;

  double promedioc=sumac/lineas;

  double promedioh=sumah/lineas;

  cout<<“the average gas mileage in city is: “<<promedioc<<endl;

  cout<<“the average gas mileage on highway is: “<<promedioh<<endl;

  cout<<“the average midrange price of the vehicles in the set is: “<<promediom<<endl;

  return 0;

}