/*   Author: Jensen Vu
   CSCI 127 - HWK 7
 File: NASA.cpp
*/

#include <iostream>
#include <string>
#include <fstream>
#include <vector>


using namespace std;

int main()
{
	fstream file;           //reads file
	file.open("data.txt"); //opens file

	int count = 0; //keeps track of # lines read

	vector<double> distances; //holds the distances

	while(!file.eof())
	{
		string distance;
		getline(file, distance);   // grabs line from file as a string
		double distanceNum = atof(distance.c_str());  // converts the distance string to float
		distances.push_back(distanceNum);   //stores the converted number in the vector
		count ++;    //increments the count of the number of read lines
	}

	file.close();

	for(int i = 0; i < distances.size(); i++)
		cout << distances[i] << "\n\n";
	 cout << "Lines Read:  " << count << "\n\n";

	double totalDist = 0.00;


    for(double i=0;i<distances.size(); i++)
	 {
		 totalDist += distances[i];   //adds up elements in vector
	 }
	 cout << "Average distance =  " << totalDist/count << "\n\n";

	 double largeDist = 0.00;
	 for(int i = 0; i < distances.size(); i++) // if current distance is larger than the largest distance seen so far
	 if(distances[i] > largeDist)
		 largeDist = distances[i];
		 cout << "Largest distance traveled:  " << largeDist << "\n\n";


	double smallDist = distances[0];
	for(int i = 0; i < distances.size(); i++)
	 if(distances[i] < smallDist)
		 smallDist = distances[i];
		 cout << "Smallest distance traveled:  " << smallDist << "\n\n";





    int lastDist = 238857; // asteroid’s last distance from the moon (miles)


	cout << "Estimated time of impact is approximately " << (lastDist / (totalDist/count))/ 3600 << " hours.";





	return 1;
}