/in/foo.cc: In function 'int main()':
/in/foo.cc:13:23: warning: 'memset' used with constant zero length parameter; this could be due to transposed parameters [-Wmemset-transposed-args]
   memset(e,sizeof(e),0);
                       ^
/in/foo.cc:14:27: warning: 'memset' used with constant zero length parameter; this could be due to transposed parameters [-Wmemset-transposed-args]
   memset(dis,sizeof(dis),0);
                           ^