49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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#define MAX_LINE_LENGTH 256
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bool IsValidNumber(const char *line) {
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char *endFtr;
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strtod(line, &endFtr);
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return endFtr != line;
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}
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int main() {
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char line[MAX_LINE_LENGTH];
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double result = 1;
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int coefficientIndex = 0;
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printf("Zadajte zaklad x: ");
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if (fgets(line, MAX_LINE_LENGTH, stdin) == NULL || !IsValidNumber(line)) {
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printf("Nepodarilo sa nacitat zaklad x\n");
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return 1;
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}
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while (1) {
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if (fgets(line, MAX_LINE_LENGTH, stdin) == NULL || !IsValidNumber(line)) {
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if (line[0] == '\n') {
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break;
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}
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printf("Nepodarilo sa nacitat polynom na %d mieste. \n", coefficientIndex);
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return 1;
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}
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char *endPtr;
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double x = strtod(line, &endPtr);
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if (*endPtr != '\n' && *endPtr != '\0') {
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printf("Nespravny format cisla\n");
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return 1;
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}
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result = result * x;
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coefficientIndex++;
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}
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printf("Vysledok je: %.2f\n", result);
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return 0;
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}
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