just wondering, if I have the following code:
int randomNum = rand() % 18 + (-9);
will this create a random number from -9 to 9?
just wondering, if I have the following code: int randomNum = rand() % 18
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just wondering, if I have the following code:
int randomNum = rand() % 18 + (-9);
will this create a random number from -9 to 9?
No, it won’t. You’re looking for:
There are 19 distinct integers between -9 and +9 (including both), but
rand() % 18only gives 18 possibilities. This is why you need to userand() % 19.