/in/foo.cc: In function 'void Insert(int*, int, int)':
/in/foo.cc:21:11: warning: 't' may be used uninitialized [-Wmaybe-uninitialized]
   21 |         a[t]=x;
      |           ^
/in/foo.cc:6:13: note: 't' was declared here
    6 |         int t;
      |             ^