leetcode 326 Power of Three (python) 原题: Given an integer, write a function to determine if it is a power of three. Follow up: Could you do it without using any loop / recursion? 这个题目本身没有任何难度,也是easy等级,但是题目要求不能使用循环和迭代,解法如下: importmathclassSolution(obj...
【leetcode python】326. Power of Three #-*- coding: UTF-8 -*- class Solution(object): def isPowerOfThree(self, n): if n<=0: return False while True: if n==3 or n==1: return True tuple=divmod(n,3) if tuple[1]!=0: return False n=tuple[0] sol=Solution() print sol....
leetcode.com/problems/power-of-three/ 2.1)采用循环 class Solution: def isPowerOfThree(self, n: int) -> bool: if not n: return False while n: if n==1: return True if n%3: return False n //=3 return True Runtime: 80 ms, faster than 52.08% of Python3 online submissions...
LeetCode 342: 4 的幂 时间复杂度:O(1) 只需要使用常数次位运算和布尔运算 空间复杂度:O(1) 只需要使用常数个额外变量即可 代码(Python3) class Solution: def isPowerOfTwo(self, n: int) -> bool: # 非正数一定不是 2 的幂次方 if n <= 0: return False return (n & (n - 1)) == 0 ...
AI代码解释 publicclassSolution{publicbooleanisPowerOfFour(int num){// 转化为二进制数来判断if(num<0)returnfalse;String binaryStr=Integer.toBinaryString(num);for(int i=0;i<binaryStr.length();i++){if(i==0&&binaryStr.charAt(i)!='1')returnfalse;elseif(i>0&&binaryStr.charAt(i)!='0')...
My Solutions to Leetcode problems. All solutions support C++ language, some support Java and Python. Multiple solutions will be given by most problems. Enjoy:) 我的Leetcode解答。所有的问题都支持C++语言,一部分问题支持Java语言。近乎所有问题都会提供多个算法解决。大家加油!:) 0 stars 721 forks ...
https://leetcode.com/problems/power-of-four/Given an integer (signed 32 bits), writ Power 整除 数位 原创 mb63982c735c3d9 2022-12-13 15:48:54 55阅读 PowerStrings #include #include char a[1000010]; int p[1000010]; int l; void getp() { int i=0,j=-1; p[i]=j; while(iTime...
My Solutions to Leetcode problems. All solutions support C++ language, some support Java and Python. Multiple solutions will be given by most problems. Enjoy:) 我的Leetcode解答。所有的问题都支持C++语言,一部分问题支持Java语言。近乎所有问题都会提供多个算
SIMD_V8, COPRO_SIMD_CRYPTO There are three combination instruction classes that will either enable or disable all instructions within the class: CPU32_ALL, CPU64_ALL, COPRO_ALL For backward compatibility with previous versions a single numeric constant can be specified instead of a list of ...
longitude 字符串 经度-parentAssetCode 字符串 父资产编码-idStr 字符串 资产ID,以id为前缀的字符串-address 字符串 地址-assetCode 字符串 资产编码-organizationName 字符串 业务实体名称-factoryId 字符串 地点ID-factoryName 字符串 ... OCR火车票识别 字符串 seatNumber 座位号 字符串 fare 票价 字符串...