Lab2_1

#include "stdafx.h"
#include "math.h"
#include "iostream"
#include "conio.h"

using namespace std;

int main()
{
    double x,y,f,a;
    int k;
    cout << "Enter x="; cin >> x;
    cout << "Enter y="; cin >> y;
    cout << "Choose f: 1-sh(x), 2-x^2, 3-exp(x) f="; cin >> k;
    switch(k)
    {
        case 1: sinh(x); break;
        case 2: pow(x,2); break;
        case 3: exp(x); break;
        default: cout << "Function not chosen"; return 1;
     }
    if (x*y>0) a=(x+y)*(x+y)-pow(fabs(x),1/3);
    else if (x*y<0) a=(x+y)*(x+y)+sin(x);
    else a=(x+y)*(x+y)+pow(y,3);
    cout << "Result=" << a << endl;
    _getch();
    return 0;
}