Problem 20. Summing digits

Like (32)

Solution 482710

Submitted on 4 Aug 2014 byRichard

This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

解决这个问题 View on Solution Map

Richardon 4 Aug 2014

I can't for the life of me figure out how to get this to work for any number n. Any tips?

Timon 4 Aug 2014

One way would be to use mod(x,10) to get the ones digit, add that to the sum, then use x=floor(x/10) to lop it off, and iterate until x becomes zero.

Richardon 7 Aug 2014

Brilliant, thank you! That is most likely the method that I would have ended up using if had I thought of one as well.

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!