leetcode-cn.com/problems/longest-uncommon-subsequence-i/)[258.各位相加](https://leetcode-cn.com/problems/add-digits

https://leetcode.com/problems/add-digits/简单模拟：classSolution(object):defaddDigits(self,num):""":typenum

https://leetcode-cn.com/problems/add-digits/comments/一、找规律参考自LeetCode用户Awful-Leo（2019-04-02），只能说大佬tql

来源：力扣（LeetCode）链接：https://leetcode-cn.com/problems/add-digits著作权归领扣网络所有。商业转载请

来源：力扣（LeetCode）链接：https://leetcode-cn.com/problems/add-digits著作权归领扣网络所有。商业转载请联系官方授权，非商业转载请注明出处。

addhttps://leetcode.com/problems/add-digits/#/descriptionhttps://leetcode.com/problems/sum-of-two-integers

来源：力扣（LeetCode）链接：https://leetcode-cn.com/problems/add-digits著作权归领扣网络所有。商业转

我的LeetCode代码仓：https://github.com/617076674/LeetCode原题链接：https://leetcode-cn.com/problems/add-digits/description

题目链接：https://leetcode.com/problems/add-digits/题目：Givenanon-negativeinteger num,repeatedlyaddallitsdigitsuntiltheresulthasonlyonedigit.Forexample

题目链接https://leetcode.com/problems/add-digits/题目原文Givenanon-negativeintegernum,repeatedlyaddallitsdigitsuntiltheresulthasonlyonedigit.Forexample

QuestionLink:https://leetcode.com/problems/add-digits/Givenanon-negativeintegernum,repeatedlyaddallitsdigitsuntiltheresulthasonlyonedigit.Forexample

在做https://leetcode.com/problems/add-digits/这道题时，发现了这个问题。即任何一个整数模9同余与它的各数位上的数字之和。

网址：https://leetcode.com/problems/add-digits/258.AddDigitsMySubmissionsQuestionTotalAccepted: 72085 TotalSubmissions

  题目链接：https://leetcode.com/problems/add-digits/  题目内容：Givenanon-negativeinteger num,repeatedlyaddallitsdigitsuntiltheresulthasonlyonedigit.Forexample

题目链接：https://leetcode.com/problems/add-digits/题目：Givenanon-negativeinteger num,repeatedlyaddallitsdigitsuntiltheresulthasonlyonedigit.Forexample

题目链接：https://leetcode.com/problems/add-digits/Givenanon-negativeinteger num,repeatedlyaddallitsdigitsuntiltheresulthasonlyonedigit.Forexample

题目链接：https://leetcode.com/problems/add-digits/题目：Givenanon-negativeinteger num,repeatedlyaddallitsdigitsuntiltheresulthasonlyonedigit.Forexample

https://leetcode.com/problems/add-digits/understanding:所有可能的值是1-9，可以考虑是10或者9的余数，再加1或者减1公式就是(num-1)%9+

AddDigits[LeetCode]https://leetcode.com/problems/add-digits/TotalAccepted:33351TotalSubmissions:71187Difficulty

题目链接：https://leetcode.com/problems/add-digits/runtime：8ms1、问题Givenanon-negativeintegernum,repeatedlyaddallitsdigitsuntiltheresulthasonlyonedigit.Forexample

题目：https://leetcode.com/problems/add-digits/，题目很简单，此处文章只是防止自己将来忘了第二中的公式，毕竟第二种的方法我没太懂（原谅我英语不甚好）方法1：此法思路很简单