[Leetcode] Power of Three
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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?
public class Solution { public boolean isPowerOfThree(int n) { if(n<1) return false; while(n>2) { if((n%3)==1||(n%3)==2) return false; else n=n/3; } if(n==1) return true; else return false; }} 0 0
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