pvjc25/du2/program.c

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C
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
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#include <ctype.h>
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#define LINE_SIZE 100
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int read_double(double *value) {
char line[LINE_SIZE];
if (fgets(line, LINE_SIZE, stdin) == NULL) {
return 0; // Chyba pri čítaní
}
char *endptr;
*value = strtod(line, &endptr);
if (endptr == line || (*endptr != '\0' && *endptr != '\n')) {
return 0; // Neplatný vstup
}
return 1;
}
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int main() {
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double x;
if (!read_double(&x)) {
printf("Chyba: Nepodarilo sa načítať hodnotu x.\n");
return 1;
}
double coef;
double result = 0;
int coef_count = 0;
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while (1) {
if (!read_double(&coef)) {
if (coef_count == 0) {
printf("Chyba: Neboli zadané žiadne koeficienty.\n");
return 1;
}
break;
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}
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result = result * x + coef;
coef_count++;
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}
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printf("Vysledok je: %.2f\n", result);
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return 0;
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}