LeetCode--No.326--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 <= 0) return false; else{ while(n % 3 == 0){ n /= 3; } if (n==1) return true; else return false; } }} 0 0
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