/in/foo.cc: In function 'int maxfs(int*, int)':
/in/foo.cc:16:2: warning: 'max' may be used uninitialized in this function [-Wmaybe-uninitialized]
  if(a[i]>max&&a[i]<0)
  ^~
/in/foo.cc: In function 'int main()':
/in/foo.cc:16:2: warning: 'max' may be used uninitialized in this function [-Wmaybe-uninitialized]
  if(a[i]>max&&a[i]<0)
  ^~
/in/foo.cc:5:6: note: 'max' was declared here
  int max;
      ^~~
/in/foo.cc:16:2: warning: 'max' may be used uninitialized in this function [-Wmaybe-uninitialized]
  if(a[i]>max&&a[i]<0)
  ^~
/in/foo.cc:5:6: note: 'max' was declared here
  int max;
      ^~~