/in/foo.cc: In function 'int main()':
/in/foo.cc:90:8: warning: 'll' may be used uninitialized in this function [-Wmaybe-uninitialized]
   B.len=ll;
   ~~~~~^~~
/in/foo.cc:77:7: note: 'll' was declared here
   int ll;
       ^~
/in/foo.cc:37:8: warning: 'le' may be used uninitialized in this function [-Wmaybe-uninitialized]
   B.len= le;
   ~~~~~^~~~
/in/foo.cc:31:7: note: 'le' was declared here
   int le;
       ^~