I think 2^(n-1) - 1 On Tue, Aug 16, 2011 at 8:36 PM, sameer gupta <[email protected]>wrote:
> no. of ways you can write a no. as sum of other non-zero positive > integers > like 3 can be written in > 3 ways: > 1+1+1, > 1+2 > 2+1 > imp. 2+1 and 1+2 are different > find the answer and give and prove formula for any value 'n' > > -- > 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. > > -- 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.
