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ex-04: Check for negative numbers

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This commit is contained in:
Tomáš Kléger 2025-10-13 11:46:39 +02:00
parent e47ce85cf5
commit caf2165e43
1 changed files with 2 additions and 2 deletions
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4
exercise-04-multiplication-table/main.c
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@ -2,10 +2,10 @@
#include <stdio.h> #include <stdio.h>
int main() { int main() {
int range; int range = -1;
printf("Rozsah:\n"); printf("Rozsah:\n");
if (scanf("%d", &range) != 1) { if (scanf("%d", &range) != 1 || range <= 0) {
printf("Nespravny vstup.\n"); printf("Nespravny vstup.\n");
return EXIT_FAILURE; return EXIT_FAILURE;
} }