foo.cc: In function ‘int main()’:
foo.cc:11:17: warning: ‘max’ may be used uninitialized [-Wmaybe-uninitialized]
   11 |                 if(max<a[i])
      |                 ^~
foo.cc:6:15: note: ‘max’ was declared here
    6 |         int n,max,cs;
      |               ^~~
foo.cc:17:27: warning: ‘cs’ may be used uninitialized [-Wmaybe-uninitialized]
   17 |                         cs++;
      |                         ~~^~
foo.cc:6:19: note: ‘cs’ was declared here
    6 |         int n,max,cs;
      |                   ^~