Hi, i have a problem with the declaration of a bidimensional array

Question

I HAVE TO COMPILE WITH -STD=C89 -PEDANTIC

I WROTE: int A[base][altezza]

AND THE WARNING IS: ISO C90 FORBIDS VARIABLE LENGTH ARRAY ‘A’[-Wvla]

Answer 1

VLAs (https://en.wikipedia.org/wiki/Variable-length_array, https://gcc.gnu.org/onlinedocs/gcc/Variable-Length.html) are supported in C99 on.

The following illustrates VLAs in C99
https://code.sololearn.com/cTpo4AMl8HNj/#cpp

For arrays of arrays in C do it on the heap with malloc
https://code.sololearn.com/cNzrSfw7uLt9/#c