否则，输出给定的数字不是一个快乐数。defis_Happy_num(n): past = set()while n != 1: n = sum(int(i)**2for i in str(n))if n in past:returnFalse past.add(n)returnTruen = 19if is_Happy_num(n): print(n,'是一个快乐数。')else: print(n,'不是一个快乐数。')方...
代码(Python3) class Solution: def isHappy(self, n: int) -> bool: # used 维护已出现的数字集合 used: Set[int] = set() #当 n 未出现过时,继续计算下一个数 while n not in used: # 标记 n 已出现过 used.add(n) # 计算下一个数,即求 n 的每一位的平方和 nxt: int = 0 #当 n ...
第一篇贡献给python计算happy number~ defcal(n): s=str(n) sum=0foriinrange(len(s)): sum+=int(s[i])**2returnsum a=77#13 139 ok; 4 5 6 not#print (cal(a))defitr(a): log_set=set([a])whilea!=1: temp=cal(a)iftempinlog_set:returnFalse#False but not falseelse: log_set...
以下是一个Python实现的Happy Number检测算法: 代码语言:txt 复制 def is_happy_number(n): def get_next(number): total_sum = 0 while number > 0: number, digit = divmod(number, 10) total_sum += digit ** 2 return total_sum seen = set() while n != 1 and n not in seen: seen.add...
链接:https://leetcode-cn.com/problems/happy-number 方法: 方法一:哈希表法-可以收敛到1,肯定是有限迭代,否则一定进入循环 方法二:快慢指针-类似环形链表快慢指针相遇问题 python # 0202.快乐数 classSolution: defisHappy(self,n:int)->bool: """ ...
A happy number is a number def...lintcode-easy-Number of Islands Given a boolean 2D matrix, find the number of islands. Given graph: return 3. ...Lintcode 517. Ugly Number (Easy) (Python) Ugly Number Description: Write a program to check whether a given number is an ugly number...
#Another way to do this and code is also less n=num setData=set() #set datastructure for checking a number is repeated or not. while 1: if n==1: print("{} is a happy number after apply way 2".format(num)) break if n in setData: print("{} is Not a happy number after appl...
mid_result = {n} while True: n = cal_happy(n) if n==1: return True if n in mid_result: return False else: mid_result.add(n) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 运行结果:...
/usr/bin/env python#_*_ coding:utf8 _*_ #来自Happy实验室importrandom defgen_code(number):code_list=[]''' 生成数字,并转换为字符串类型'''fornuminrange(0,10):code_list.append(str(num))''' 大写字母,将ASSIC码转换为字母'''forlowerinrange(65,91):code_list.append(chr(lower))'''...
Example: 19 is a happy number 12+ 92=82 82+ 22=68 62+ 82=100 12+ 02+ 02=1 Pictorial Presentation: Sample Solution: Java Code: importjava.util.HashSet;publicclassExample9{publicstaticvoidmain(String[]args){System.out.println("First 10 Happy numbers:");for(longnum=1,count=0;count<8...