/in/foo.cc: In function 'int main()':
/in/foo.cc:45:24: warning: 'ansr' may be used uninitialized in this function [-Wmaybe-uninitialized]
  printf("%d",(int)floor(ansr+0.5));
                   ~~~~~^~~~~~~~~~
/in/foo.cc:44:26: warning: 'ansl' may be used uninitialized in this function [-Wmaybe-uninitialized]
  printf("%d\n",(int)floor(ansl+0.5));
                     ~~~~~^~~~~~~~~~