/in/foo.cc: In function 'int main()':
/in/foo.cc:14:15: warning: 't' may be used uninitialized [-Wmaybe-uninitialized]
   14 |         cout<<t;
      |               ^
/in/foo.cc:6:17: note: 't' was declared here
    6 |         int x,y,t;
      |                 ^