siegel@svax.cs.cornell.edu (Alexander Siegel) (04/08/88)
It doesn't matter if N is the number of vertecies or edges. A little thought will reveal this. You are given LOG work tape Turing machine style. The soln has to respect the direction of the paths. -- Alex Siegel (607)255-1165 (Low Bandwidth Audio) 4161 Upson Hall, Cornell University, Ithaca NY 14853 (Hard Copy) siegel@svax.cs.cornell.edu (ARPAnet) siegel@CRNLCS (BITNET) {uw-beaver,ihnp4,decvax,vax135}!cornell!siegel (UUCP)