Lab4_2

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

using namespace std;

int main()
{
    bool flag = true;
    double x,xn,xk,dx,y,a,n,i,y1,y2,con;
    n=0; i=1;
    cout << "Enter xn,xk,dx,a:" << endl;
    // cin >> xn >> xk >> dx >> a;
    xn = -1.5;
    xk = 1.5;
    dx = 0.2;
    a = 2.17;
    con = log10(pow(a,2));
    for (x=xn; x<=xk; x=x+dx)
    {
        y1 = pow(x,2);
        y2 = fabs(a+y1)*con+3.4;
        y = pow(y2,0.5)/2;
        if(flag)
        {
            cout << "\nx parn=" << x << endl << "y parn=" << y << endl;
        }
        flag = !flag;
    }
    for (x=xn; x<=xk; x=x+dx)
    {
        y1 = pow(x,2);
        y2 = fabs(a+y1)*con+3.4;
        y = pow(y2,0.5)/2;
        if (y>0) {cout « "\ny=" « y; n=n+y; i=i*y;}
    }
    cout « "\nsuma=" « n «setw(10)« "proizv=" « i « endl;
    system("pause");
    return 0;
}