68 lines
1.5 KiB
C
68 lines
1.5 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[100];
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while(fgets(riadok, sizeof(riadok), stdin)){
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if(riadok[0] == '\n'){
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printf("KONIEC\n");
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break;
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}
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char *ptr = riadok;
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while(*ptr == ' ')ptr++;
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float cislo1 = strtof(ptr, &ptr);
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while(*ptr == ' ')ptr++;
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char operacia = *ptr;
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ptr++;
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while(*ptr == ' ')ptr++;
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float cislo2 = strtof(ptr, &ptr);
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while(*ptr == ' ')ptr++;
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if (*ptr != '='){
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printf("CHYBA\n");
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continue;
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}
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ptr++;
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while(*ptr == ' ')ptr++;
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float zadany_vysledok = strtof(ptr, &ptr);
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float skutocny_vysledok = 0;
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int chyba = 0;
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switch(operacia){
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case '+': skutocny_vysledok = cislo1 + cislo2; break;
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case '-': skutocny_vysledok = cislo1 - cislo2; break;
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case '*': skutocny_vysledok = cislo1 * cislo2; break;
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case '/':
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if (cislo2 == 0){
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chyba = 1;
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} else {
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skutocny_vysledok = cislo1 / cislo2;
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}
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break;
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default: chyba = 1;
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}
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if (chyba){
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printf("CHYBA\n");
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continue;
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}
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if (zaokruhli(skutocny_vysledok) == zaokruhli(zadany_vysledok)) {
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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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}
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return 0;
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}
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