usaa19a6/program.c

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#include <stdio.h>
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#include <stdlib.h>
#include <ctype.h>
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int main() {
char* prve_cislo = malloc(100* sizeof(char));
char* druhe_cislo = malloc(100* sizeof(char));
fgets(prve_cislo,100,stdin);
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if (isalpha(*prve_cislo)){
printf("%s je neplatny zapis.\n",prve_cislo);
free(prve_cislo);
free(druhe_cislo);
return 0;
}
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int cislo1 = strtof(prve_cislo,NULL);
int cislo2;
while((fgets(druhe_cislo,100,stdin))){
cislo2= strtof(druhe_cislo,NULL);
while (cislo1 != cislo2){
if (cislo1 > cislo2){
cislo1 -= cislo2;
} else{
cislo2 -= cislo1;
}
}
printf("%d",cislo1);
}
free(prve_cislo);
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free(druhe_cislo);
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}