In member function 'void Array::insert(int)',
    inlined from 'int main()' at /in/foo.cc:46:10:
/in/foo.cc:34:27: warning: 'a.Array::n' may be used uninitialized [-Wmaybe-uninitialized]
   34 |                 for(int i=n-1; i>=0 && arr[i]>x; i--)
      |                           ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:43:15: note: 'a' declared here
   43 |         Array a(n);
      |               ^
In member function 'void Array::insert(int)',
    inlined from 'int main()' at /in/foo.cc:46:10:
/in/foo.cc:36:21: warning: 'm' may be used uninitialized [-Wmaybe-uninitialized]
   36 |                 arr[m]=x;
      |                     ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:27:21: note: 'm' was declared here
   27 |                 int m;
      |                     ^