51 lines
1.3 KiB
Plaintext
51 lines
1.3 KiB
Plaintext
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#include <stdio.h>
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#include <stdlib.h>
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double hornerScheme(double x, double* coef, int n) {
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double result = coef[0];
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for (int i = 1; i < n; i++) {
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result = result * x + coef[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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printf("Enter the value of x: ");
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if (scanf("%lf", &x) != 1) {
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printf("Invalid input for x.\n");
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return 1;
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}
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int capacity = 10, count = 0;
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double* coefficients = (double*)malloc(capacity * sizeof(double));
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if (coefficients == NULL) {
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printf("Failed to allocate memory.\n");
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return 1;
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}
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printf("Enter coefficients (end with non-numeric input):\n");
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while (scanf("%lf", &coefficients[count]) == 1) {
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count++;
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if (count >= capacity) {
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capacity *= 2;
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double* temp = (double*)realloc(coefficients, capacity * sizeof(double));
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if (temp == NULL) {
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free(coefficients);
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printf("Failed to reallocate memory.\n");
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return 1;
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}
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coefficients = temp;
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}
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}
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// Clean the input buffer
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while (getchar() != '\n');
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double result = hornerScheme(x, coefficients, count);
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printf("The result is: %.2f\n", result);
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free(coefficients);
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return 0;
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}
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