AprilCheny - 博客园

2015年11月11日

摘要：待补充。阅读全文

posted @ 2015-11-11 21:14 AprilCheny 阅读(360) 评论(0) 推荐(0)

摘要： Implementint sqrt(int x).Compute and return the square root ofx.Subscribeto see which companies asked this question解法1：使用求正数的平方根的一般二分查找法：class Solutio... 阅读全文

posted @ 2015-11-11 21:11 AprilCheny 阅读(252) 评论(0) 推荐(0)

[LeetCode]72. Basic Calculator基本计算器

摘要： Implement a basic calculator to evaluate a simple expression string.The expression string may contain open(and closing parentheses), the plus+or minus... 阅读全文

posted @ 2015-11-11 10:44 AprilCheny 阅读(401) 评论(0) 推荐(0)

2015年11月10日

[LeetCode]71. Missing Number缺失的数

摘要： Given an array containingndistinct numbers taken from0, 1, 2, ..., n, find the one that is missing from the array.For example,Givennums=[0, 1, 3]retur... 阅读全文

posted @ 2015-11-10 09:16 AprilCheny 阅读(284) 评论(0) 推荐(0)

2015年11月9日

[LeetCode]70. Ugly Number II第N个丑数

摘要： Write a program to find then-th ugly number.Ugly numbers are positive numbers whose prime factors only include2, 3, 5. For example,1, 2, 3, 4, 5, 6, 8... 阅读全文

posted @ 2015-11-09 16:55 AprilCheny 阅读(3285) 评论(0) 推荐(0)

[LeetCode]69. Recerse Integer旋转整数

摘要： Reverse digits of an integer.Example1:x = 123, return 321Example2:x = -123, return -321click to show spoilers.Have you thought about this?Here are som... 阅读全文

posted @ 2015-11-09 14:52 AprilCheny 阅读(279) 评论(0) 推荐(0)

[LeetCode]68. Palindrome Number回文数字

摘要： Determine whether an integer is a palindrome. Do this without extra space.click to show spoilers.Some hints:Could negative integers be palindromes? (i... 阅读全文

posted @ 2015-11-09 13:32 AprilCheny 阅读(155) 评论(0) 推荐(0)

[LeetCode]67. Number of Digit One1的个数和

摘要： Given an integer n, count the total number of digit 1 appearing in all non-negative integers less than or equal to n.For example:Given n = 13,Return 6... 阅读全文

posted @ 2015-11-09 10:52 AprilCheny 阅读(136) 评论(0) 推荐(0)

[LeetCode]66. Factorial Trailing Zeros阶乘的尾零个数

摘要： Given an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.Credits:Special thanks to@tsf... 阅读全文

posted @ 2015-11-09 09:23 AprilCheny 阅读(237) 评论(0) 推荐(0)

2015年11月8日

[LeetCode]65. Ugly Number丑数

摘要： Write a program to check whether a given number is an ugly number.Ugly numbers are positive numbers whose prime factors only include2, 3, 5. For examp... 阅读全文

posted @ 2015-11-08 09:26 AprilCheny 阅读(147) 评论(0) 推荐(0)

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