/in/foo.cc: In function 'int main()':
/in/foo.cc:14:8: warning: array subscript 500 is above array bounds of 'char [500]' [-Warray-bounds]
   14 |   a[500]={ };
      |   ~~~~~^
/in/foo.cc:5:7: note: while referencing 'a'
    5 |  char a[500]={ };
      |       ^