/in/foo.cc: In function 'int main()':
/in/foo.cc:26:15: warning: 'zongjxj' may be used uninitialized [-Wmaybe-uninitialized]
   26 |         cout<<zongjxj;
      |               ^~~~~~~
/in/foo.cc:12:15: note: 'zongjxj' was declared here
   12 |         int n,zongjxj;
      |               ^~~~~~~