Зимовец - 4

#include <iostream>
#include <cmath>
using namespace std;


void RegCikl(double a, double b, double h, double& max, double& min ){
    double x,y;
    int n = ceil((b-a)/h)+1;
    for (int i = 1; i<=n; ++i){
        x = a+(i-1)*h;
        y = exp(3*x)-x*x;
        if(y>max) max = y;
        if(y<min) min = y;
    }
}

int main() {
    double a,b,h;
    double max = -1.7e308, min = 1.7e308;
    cin >> a >> b >> h;
    RegCikl(a,b,h,max, min);
    cout << max <<min;
}