57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <math.h>
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char pole[100];
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int main() {
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float cislo1, cislo2, vysledok, ocakavany_vysledok;
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char znamienko, rovna_sa;
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while (1) {
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if (fgets(pole, sizeof(pole), stdin) != NULL) {
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if (sscanf(pole, "%f %c %f %c %f", &cislo1, &znamienko, &cislo2, &rovna_sa, &ocakavany_vysledok) == 5 && rovna_sa == '=') {
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switch (znamienko) {
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case '+':
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vysledok = cislo1 + cislo2;
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break;
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case '-':
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vysledok = cislo1 - cislo2;
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break;
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case '*':
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vysledok = cislo1 * cislo2;
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break;
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case '/':
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if (cislo2 != 0)
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vysledok = cislo1 / cislo2;
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else {
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printf("Nulou sa nedeli!\n");
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return 0;
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break;
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}
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break;
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default:
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printf("Zle znamienko!\n");
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return 0;
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break;
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}
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if (fabs(vysledok - ocakavany_vysledok) < 0.0001) {
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printf("OK\n");
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} else {
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printf("ZLE\n");
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}
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} else if (pole[0] == '\n') {
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break;
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} else {
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printf("CHYBA\n");
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}
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} else {
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break;
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}
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}
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return 0;
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}
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