Initializes an array by a given size in random values between 1 and 500 in c

Question

I have assignment to write program that sort an array and search for a specific number, that part I've already done, My problem is how to Initialize the array in the size that the user sets with random values ​​smaller than 500? I know how to do that with known size but not with unknown size? example for input/output: "Please enter the size of the array: 5"

Answer 1

This will help you.

int main(void)
{
    int n,i;
    n=rand()%500; // Get random value
    int arr[n]; // Initialize the dynamic array
    for(i=0;i<n;i++)
        scanf("%d",&arr[i]);
    // Do your stuff
}