package program;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) throws FileNotFoundException {
        Scanner scilab = new Scanner(new FileReader(args[0]));
        Scanner microCap = new Scanner(new FileReader(args[1]));

        List<Double> sList = new ArrayList<>();
        List<Double> mList = new ArrayList<>();

        while (scilab.hasNextDouble()) {
            sList.add(scilab.nextDouble());

            microCap.nextDouble();
            mList.add(microCap.nextDouble());
//            System.out.println(sList.get(sList.size()-1) + " " + mList.get(sList.size()-1));
        }
        System.out.println("Step size = " + (double)200/sList.size());
        double res = 0;
        for (int i = 0; i < sList.size(); i++) {
            res += Math.pow(sList.get(i) - mList.get(i), 2);
        }
        res = Math.sqrt(res/sList.size());
        System.out.println(res);
        scilab.close();
        microCap.close();
    }
}