@Navin: Divide the coins into two groups of 10, and then flip all of the coins in one of the groups. Suppose group A has x heads and 10 - x tails. Then before you flip them, group B has 10 - x heads and x tails. After you flip them, group B has x heads and 10 - x tails. Dave
On Tuesday, July 31, 2012 2:03:09 AM UTC-5, Navin Kumar wrote: > You are blindfolded and 20 coins are placed on the table in front of you. > Out of them 10 coins have heads facing up and other tails. You are allowed > to flip and move the coins. You should divide those coins into two sets > such that one set contains 10 heads and other tails. You are allowed to > only move or flip the coins -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To view this discussion on the web visit https://groups.google.com/d/msg/algogeeks/-/5D_9gPnjvZ0J. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
