Problem 1164. Sum the Digits of a Number
Given an integer, sum the digits repeatedly until you end up with a single value less than 10.
For example, if you add the digits of the number 123456789, you get 1+2+3+4+5+6+7+8+9 = 45, and then 4+5 = 9
The input will be a string of digits. The output should be the scalar value of the repeated sum of digits.
Solution Stats
Problem Comments
-
1 Comment
RA
on 14 Jun 2014
Nice Problem.
Solution Comments
Show commentsProblem Recent Solvers275
Suggested Problems
-
Get the area codes from a list of phone numbers
1035 Solvers
-
990 Solvers
-
828 Solvers
-
338 Solvers
-
MATCH THE STRINGS (2 CHAR) very easy
282 Solvers
More from this Author3
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!