/in/foo.cc: In function 'int main()':
/in/foo.cc:20:11: warning: 'cnt' may be used uninitialized [-Wmaybe-uninitialized]
   20 |     cout<<cnt<<endl;
      |           ^~~
/in/foo.cc:8:9: note: 'cnt' was declared here
    8 |     int cnt,max=0;
      |         ^~~