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Leetcode Daily Question
2.46K subscribers
Leetcode Daily Question
leetcode.com
2025-08-09
🟢
231.power-of-two
🏷️
Tags
#bit_manipulation
#recursion
#math
Telegraph
power-of-two
Given an integer n, return true if it is a power of two. Otherwise, return false. An integer n is a power of two, if there exists an integer x such that n == 2x. Example 1: Input: n = 1 Output: true Explanation: 20 = 1 Example 2: Input: n = 16 Output: true…
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Solution
Leetcode Daily Question
leetcode.cn
2025-08-13
🟢
326.power-of-three
🏷️
Tags
#recursion
#math
Telegraph
power-of-three
给定一个整数,写一个函数来判断它是否是 3 的幂次方。如果是,返回 true ;否则,返回 false 。 整数 n 是 3 的幂次方需满足:存在整数 x 使得 n == 3x 示例 1: 输入:n = 27 输出:true 示例 2: 输入:n = 0 输出:false 示例 3: 输入:n = 9 输出:true 示例 4: 输入:n = 45 输出:false 提示:
来源
答案
Leetcode Daily Question
leetcode.com
2025-08-13
🟢
326.power-of-three
🏷️
Tags
#recursion
#math
Telegraph
power-of-three
Given an integer n, return true if it is a power of three. Otherwise, return false. An integer n is a power of three, if there exists an integer x such that n == 3x. Example 1: Input: n = 27 Output: true Explanation: 27 = 33 Example 2: Input: n = 0 Output:…
Source
Solution
Leetcode Daily Question
leetcode.cn
2025-08-15
🟢
342.power-of-four
🏷️
Tags
#bit_manipulation
#recursion
#math
Telegraph
power-of-four
给定一个整数,写一个函数来判断它是否是 4 的幂次方。如果是,返回 true ;否则,返回 false 。 整数 n 是 4 的幂次方需满足:存在整数 x 使得 n == 4x 示例 1: 输入:n = 16 输出:true 示例 2: 输入:n = 5 输出:false 示例 3: 输入:n = 1 输出:true 提示:
来源
答案
Leetcode Daily Question
leetcode.com
2025-08-15
🟢
342.power-of-four
🏷️
Tags
#bit_manipulation
#recursion
#math
Telegraph
power-of-four
Given an integer n, return true if it is a power of four. Otherwise, return false. An integer n is a power of four, if there exists an integer x such that n == 4x. Example 1: Input: n = 16 Output: true Example 2: Input: n = 5 Output: false Example 3: Input:…
Source
Solution