【LeetCode】 231. Power of Two
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Given an integer, write a function to determine if it is a power of two.
public class Solution { public boolean isPowerOfTwo(int n) { if (n <= 0) { return false; } while (n > 1) { int rest = n % 2; if (rest == 1) { return false; } n = n / 2; } return true; }}
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