a question about c

Question

int max,min,i;
int max =a[0];min=a[0];
I don’t know where the mistake is.

Answer 1

Redeclaration is the error.
Try it
int max,min,i;
max =a[0]. [❎ don't declare data type again ❎]

Answer 2

a is not defined.
You don't need int before max at the second line since you already declare it.