/in/foo.c: In function 'FindiMax':
/in/foo.c:12:9: warning: 'wz' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return wz;
         ^~
/in/foo.c: In function 'main':
/in/foo.c:22:2: warning: 'wz' may be used uninitialized in this function [-Wmaybe-uninitialized]
  printf("%d", FindiMax(n, a));
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~