/in/foo.cc: In function 'int main()':
/in/foo.cc:13:15: warning: 't' may be used uninitialized [-Wmaybe-uninitialized]
   13 |         cout<<t;
      |               ^
/in/foo.cc:5:21: note: 't' was declared here
    5 |         int n,h,x,y,t;
      |                     ^