LeetCode算法题-Happy Number(Java实现) 这是悦乐书的第188次更新,第190篇原创 01 看题和准备 今天介绍的是LeetCode算法题中Easy级别的第47题(顺位题号是202)。编写算法以确定数字是否“幸福”。 幸福数字是由以下过程定义的数字:从任何正整数开始,将数字替换为其数字的平方和,并重复该过程,直到最后数字等于1。
202. Happy Number Write an algorithm to determine if a number is "happy". A happy number is a number defined by the following process: Starting with any positive integer, replace the number by the sum of the squares of its digits, and repeat the process until the number equals 1 (where...
Java Code Editor: Contribute your code and comments through Disqus. Previous:Write a Java program to print out the first 10 Catalan numbers by extracting them from Pascal's triangle. Next:Write a Java program to check whether a given number is a happy number or unhappy number....
leetcode 202. Happy Number Write an algorithm to determine if a number is "happy". A happy number is a number defined by the following process: Starting with any positive integer, replace the number by the sum of the squares of its digits, and repeat the process until the number equals ...
Java Code: importjava.util.HashSet;importjava.util.Scanner;importjava.util.Set;publicclassExample10{publicstaticbooleanisHappy_number(intnum){Set<Integer>unique_num=newHashSet<Integer>();while(unique_num.add(num)){intvalue=0;while(num>0){value+=Math.pow(num%10,2);num/=10;}num=value;}...
每天来一道,面试不卡壳,今天是天天算法陪你成长的第15天。PS:今天发的太晚了,抱歉～ 本题可在LeetCode上OJ,链接 Happy Number, 感谢 @牧码人小鹏 题目描述:Write an algorithm to determine if a number is…
6. Conclusion In this article, we learned the concept of a happy number and implemented Java methods to determine whether a given number is happy. As always, the complete source code for the examples is availableover on GitHub.
详见:https://leetcode.com/problems/happy-number/description/ Java实现: class Solution { public boolean isHappy(int n) { Set<Integer> s=new HashSet<Integer>(); while(n!=1){ int tmp=0; while(n>0){ tmp+=(n%10)*(n%10);
WORD_NUMBER_UPPER ARITHMETIC ARITHMETIC_ZH 二、安装 如果你的项目使用的是Maven进行依赖管理,你只需向pom.xml文件添加下面的配置即可: <dependency> <groupId>com.ramostear</groupId> <artifactId>Happy-Captcha</artifactId> <version>1.0.1</version> </dependency> Gradle用户则可以通过引入如下的配置获取...
Check Whether Number is Strong Number How to check Strong Numbers using loop in C. What is Strong number? Strong number is a special number whose sum of factorial of digits is equal to the original number. 145 is Program code to Find the Size of a Union ...