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fixing error in dublicateRandomEntry

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This commit is contained in:
Jonas Urban 2025-11-23 17:29:45 +01:00
parent e4a7f9ac28
commit 0a30e04157
1 changed files with 16 additions and 3 deletions
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17
I2_Dobble/numbers.c
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@ -12,11 +12,24 @@
* in `getDuplicate()`: Sortieren des Arrays und Erkennen der doppelten Zahl durch Vergleich benachbarter Elemente. */
static void dublicateRandomEntry (unsigned int *numbers, unsigned int len)
{
if (numbers && len > 2)
{
unsigned int dubIndx = rand() % len;
unsigned int copyIndx = rand() % len;
unsigned int copyIndx;
numbers[copyIndx] = numbers[dubIndx];
do {
copyIndx = rand() % len;
} while (copyIndx == dubIndx);
numbers[len - 1] = numbers[dubIndx];
//switching last entry with random other entry
unsigned int temp;
temp = numbers[copyIndx];
numbers[copyIndx] = numbers[len - 1];
numbers[len - 1] = temp;
}
}
static int compare(const void *a, const void *b)