#include <conio.h>
#include <math.h>
#include <iostream.h>
#define pi 3.14
double f(double x) {
 
    return   x*x-(cos(pi*x));
}
 
double fi(double x, double L) {
 
    return  x+L*f(x);
}
 
 
int main() {
    int n=0;
    double x,y,c,b,L=-0.35,eps;
    cout<<"x="; cin>>x;
    cout<<"eps="; cin>>eps;
    do {
        y=fi(x,L);
        b=fabs(x-y);
        x=y;
        n+=1;
    }
    while (b>=eps);
        cout<<"c="<<x<<"\n";
        cout<<"n="<<n<<"\n";
        getch();
    return 0;
}