Description: Given a non-negative integer num, repeatedly add all its digits until the result has only one digit.
For example:
Given num = 38, the process is like: 3+ 8 = 11, 1+ 1 = 2. Since 2 has only one digit, return it.
To Search:
File list (Check if you may need any files):
258.AddDigits\258.AddDigits\258.AddDigits.cpp
.............\.............\258.AddDigits.vcproj
.............\.............\258.AddDigits.vcproj.yelongteng-PC.yelongteng.user
.............\.............\Debug\258.AddDigits.exe.embed.manifest
.............\.............\.....\258.AddDigits.exe.embed.manifest.res
.............\.............\.....\258.AddDigits.exe.intermediate.manifest
.............\.............\.....\258.AddDigits.obj
.............\.............\.....\258.AddDigits.pch
.............\.............\.....\BuildLog.htm
.............\.............\.....\mt.dep
.............\.............\.....\stdafx.obj
.............\.............\.....\vc90.idb
.............\.............\.....\vc90.pdb
.............\.............\ReadMe.txt
.............\.............\stdafx.cpp
.............\.............\stdafx.h
.............\.............\targetver.h
.............\258.AddDigits.ncb
.............\258.AddDigits.sln
.............\258.AddDigits.suo
.............\Debug\258.AddDigits.exe
.............\.....\258.AddDigits.ilk
.............\.....\258.AddDigits.pdb
.............\258.AddDigits\Debug
.............\258.AddDigits
.............\Debug
258.AddDigits
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