摘要：
Given an integer, write a function to determine if it is a power of two.判断一个integer是否为2的幂。 1 public class Solution { 2 public static boolean isPow... 阅读全文
posted @ 2015-08-06 10:39
codingcat
阅读(116)
评论(0)
推荐(0)
摘要：
Write an algorithm to determine if a number is "happy".A happy number is a number defined by the following process: Starting with any positive integer... 阅读全文
posted @ 2015-08-06 10:16
codingcat
阅读(257)
评论(0)
推荐(0)
摘要：
Given two binary trees, write a function to check if they are equal or not.Two binary trees are considered equal if they are structurally identical an... 阅读全文
posted @ 2015-08-06 09:48
codingcat
阅读(134)
评论(0)
推荐(0)
摘要：
Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as theHamming weight).For example, the 32-bit in... 阅读全文
posted @ 2015-08-06 09:28
codingcat
阅读(125)
评论(0)
推荐(0)
浙公网安备 33010602011771号