Lab1-12

#include <iostream>
#define _USE_MATH_DEFINES // for C++
#include <math.h>
using namespace std;

void FirstTask() {
    int N, M;
    double x, y1, y2, a,b, del;
    a = 0;
    b = 0;
    cin >> N;
    cin >> M;
    cin >> x;
    if (fabs(x)<=1)
    {
        y1 = sqrt(log(exp(x)));
    }
    else if (fabs(x) > 1) {
        y1 = (2*pow(x,exp(1/3))) / (1 + sin(x));
    }
    for (int k = 0; k < N; k++)
    {
        a += k * sqrt(x) + cos(k * x);
    }
    for (int k = 0; k < M; k++)
    {
        b += pow(-1, 2 * k) * pow(x,k - 1);
    }
    y2 = a * b;
    del = 100 * (y2 - y1) / y1;
    cout << "y1 = " << y1 << endl << "y2 = " << y2 << endl << "Del = " << del;
}

int main()
{
    FirstTask();

    return 0;
}