Maybe those guys were having some gadgets like mobile phones or satellite phones.. So they would write their number on the other's paper...
Or maybe they were carrying a GPS system.. So they would write a common (latitude,longitude) to meet at the same point... -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
