Number Guessing game problem, help please.

[main beacon]

Hello I am working on an assignment for extra credit and I have to create a number guessing game between 5-25 I have completed my code but I see that it bugs or if inserted something wrong, can someone please help me.
Here's my code:

#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;
int main()
{
int num,
guess,
tries = 0;
srand(time(0));
num = rand() % 25 + 5;
cout << "Guess My Number Game\n\n";
do
{cout << "Enter a guess between 5 and 25 : ";
cin >> guess;
tries++;
if (guess > num)
cout << "Too high. Try again.";
else if (guess < num)
cout << "Too low, Try again." ;
else
cout << "Congratulations. You figured out my number in " << tries << " guesses!\n";}
while (guess != num);

return 0;
}

[hushed jacinth]

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[main beacon]

If you haven't notice, I inserted 25 when running the program and it showed it was too low.

[primal trench]

consider rand() % 25 + 5

what happpens if rand() returns 24 for example

[main beacon]

it still says sometimes it is to low

[steady gazelle]

What is the maximum value of rand() % 24?

[main beacon]

On the assignment it demonstrates the it should be a number from 5-25

[steady gazelle]

I'm not talking about the assignment, just that: rand() % 24

Or more generally, given any integer N, what is the maximum value of rand() % N?