来源:LeetCode 258 Add Dights Question:Given a non-negative integer num , repeatedly add all its digits until the result has only one digit. For example: Given num = , the process is like: + = , + = . Since has only one digit, return it. Fo
Digital Roots Problem Description The digital root of a positive integer is found by summing the digits of the integer. If the resulting value is a single digit then that digit is the digital root. If the resulting value contains two or more digits,
时间限制:1 秒 内存限制:32 兆 特殊判题:否 提交:2963 解决:1066 题目描述: The digital root of a positive integer is found by summing the digits of the integer. If the resulting value is a single digit then that digit is the digital root. If the resulting value contains two or
03-树1. List Leaves (25) Given a tree, you are supposed to list all the leaves in the order of top down, and left to right. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer N (<=10) wh