LC 3的幂

暴力：

class Solution {
    public boolean isPowerOfThree(int n) {
        if (n <= 0) {
            return false;
        }
        while (n %3 == 0) {
            n /= 3;
        }
        if (n == 1) {
            return true;
        }
        else {
            return false;
        }
    }
}

标签：LC,int,isPowerOfThree,Solution,boolean,public
来源： https://blog.csdn.net/qq_40147944/article/details/122688526