51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#define MAX_COEFFICIENTS 100
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double evaluate_polynomial(double x, double coefficients[], int degree) {
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double result = 0;
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for (int i = degree; i >= 0; i--) {
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result = result * x + coefficients[i];
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}
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return result;
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}
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int main() {
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double x;
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double coefficients[MAX_COEFFICIENTS];
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int degree;
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// Read the value of x
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if (scanf("%lf", &x) != 1) {
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printf("Error: Failed to read the value of x.\n");
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return 1;
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}
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// Read the coefficients of the polynomial
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int coefficient_number = 1;
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while (scanf("%lf", &coefficients[coefficient_number - 1]) == 1) {
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coefficient_number++;
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if (coefficient_number > MAX_COEFFICIENTS) {
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printf("Error: Too many coefficients.\n");
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return 1;
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}
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}
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degree = coefficient_number - 2; // degree of polynomial = number of coefficients - 1
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// Check if at least one coefficient is loaded
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if (degree < 0) {
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printf("Error: No coefficients loaded.\n");
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return 1;
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}
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// Evaluate the polynomial
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double result = evaluate_polynomial(x, coefficients, degree);
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// Print the result rounded to two decimal places
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printf("The output is: %.2lf\n", result);
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return 0;
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}
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