If the coins are all multiple of some number k, you can greedily give as much as possible to the higher domination. Otherwise still, there is an optimal substructure and u can make a recurrence and use memoization(i.e. DP)
-- -------------------------------------------------- Rohit Saraf Second Year Undergraduate, Dept. of Computer Science and Engineering IIT Bombay http://www.cse.iitb.ac.in/~rohitfeb14 -- 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.
