#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define MAX_COEFFICIENTS 100
#define BUFFER_SIZE 1024

double evaluatePolynomial(double x, double coefficients[], int n) {
    double result = 0.0;
    for (int i = 0; i < n; ++i) {
        result = result * x + coefficients[i];
    }
    return result;
}

int main() {
    char buffer[BUFFER_SIZE];
    double x, coef;
    double coefficients[MAX_COEFFICIENTS];
    int count = 0;

   
    printf("Enter the value of x: ");
    fgets(buffer, BUFFER_SIZE, stdin);
    if (sscanf(buffer, "%lf", &x) != 1) {
        printf("Nepodarilo sa nacitat zaklad x\n");
        return 0;
    }

    printf("Enter coefficients from highest to lowest degree, finish with an empty line:\n");
    while (fgets(buffer, BUFFER_SIZE, stdin) && buffer[0] != '\n') {
        if (sscanf(buffer, "%lf", &coef) == 1) {
            coefficients[count++] = coef;
            if (count >= MAX_COEFFICIENTS) {
                printf("Maximum number of coefficients exceeded.\n");
                return 0;
            }
        } else {
            printf("Nepodarilo sa nacitat polynom na %d mieste.\n", count + 1);
            return 0;
        }
    }

    double result = evaluatePolynomial(x, coefficients, count);
    printf("Vysledok je: %.2f\n", result);

    return 0;
}