/in/foo.cc: In function 'int main()':
/in/foo.cc:12:22: warning: array subscript 1 is above array bounds of 'int [1]' [-Warray-bounds]
   12 |         int max = a[1];
      |                   ~~~^
/in/foo.cc:7:13: note: while referencing 'a'
    7 |         int a[] = { 0 };//错int* a = 0;
      |             ^