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Aktualizovat "program.c

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This commit is contained in:
Daniel Béreš 2019-10-29 13:28:38 +00:00
parent da65046510
commit d0b84e0d93
1 changed files with 7 additions and 0 deletions
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7
program.c
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@ -6,6 +6,7 @@ int main() {
char* prve_cislo = malloc(100* sizeof(char)); char* prve_cislo = malloc(100* sizeof(char));
char* druhe_cislo = malloc(100* sizeof(char)); char* druhe_cislo = malloc(100* sizeof(char));
fgets(prve_cislo,100,stdin); fgets(prve_cislo,100,stdin);
strtok(prve_cislo,"\n");
if (isalpha(*prve_cislo)){ if (isalpha(*prve_cislo)){
printf("%s je neplatny zapis.\n",prve_cislo); printf("%s je neplatny zapis.\n",prve_cislo);
free(prve_cislo); free(prve_cislo);
@ -24,7 +25,13 @@ int main() {
cislo2 -= cislo1; cislo2 -= cislo1;
} }
} }
if (isalpha(*prve_cislo)){
printf("%s je neplatny zapis.\n",prve_cislo);
free(prve_cislo);
free(druhe_cislo);
return 0;
}
printf("%d",cislo1); printf("%d",cislo1);
} }