Java | Leetcode Java题解之第342题4的幂
题目:
题解：
class Solution {public boolean isPowerOfFour(int n) {return n > 0 && (n & (n - 1)) == 0 && n % 3 == 1;}
}
题目:
题解：
class Solution {public boolean isPowerOfFour(int n) {return n > 0 && (n & (n - 1)) == 0 && n % 3 == 1;}
}