37 lines
1.0 KiB
C
37 lines
1.0 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <math.h>
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int main() {
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char riadok[1000];
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double cislo1, cislo2, vysledok, ocakavany;
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char ligma;
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while (fgets(riadok, 1000, stdin) && riadok[0] != '\n') {
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if (sscanf(riadok, "%lf %c %lf = %lf", &cislo1, &ligma, &cislo2, &ocakavany) != 4) {
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printf("CHYBA\n");
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continue;
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}
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if (ligma != '+' && ligma != '-' && ligma != '*' && ligma != '/') {
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printf("CHYBA\n");
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continue;
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}
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switch (ligma) {
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case '+': vysledok = cislo1 + cislo2; break;
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case '-': vysledok = cislo1 - cislo2; break;
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case '*': vysledok = cislo1 * cislo2; break;
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case '/': vysledok = cislo2 == 0 ? 0 : cislo1 / cislo2; break;
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}
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vysledok = round(vysledok * 100) / 100;
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ocakavany = round(ocakavany * 100) / 100;
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printf(fabs(vysledok - ocakavany) < 0.001 ? "OK\n" : "ZLE\n");
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}
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return 0;
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}
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