ЯиМП №1 вар 7

#include<iostream>
#include<fstream>

using namespace std;

double getX(double a, double b)
{
    if (a > b)
        return 50 * (b / a) + b;
    else if (a < b)
        return (a - 5) / b;
    else if (a == b)
        return -100;
}

int main()
{
    ifstream fileIn;
    fileIn.open("FileIn.txt");
    if (!fileIn.is_open())
        cout << "Error, FileIn.txt is not found" << endl;
    else
    {
        double a;
        fileIn >> a;
        double b;
        fileIn >> b;
        fileIn.close();

        double x = getX(a, b);
        cout << "Result: " << x << endl;

        ofstream fileOut;
        fileOut.open("FileOut.txt");
        fileOut << x;
        fileOut.close();
    }


    system("pause");
    return 0;
}