bonelee - 博客园

2018年4月1日

摘要： Reverse a singly linked list. click to show more hints. 精简下代码：递归解： dfs 记得程序员面试金典里专门提过！阅读全文

posted @ 2018-04-01 16:46 bonelee 阅读(156) 评论(0) 推荐(0)

摘要： Given scores of N athletes, find their relative ranks and the people with the top three highest scores, who will be awarded medals: "Gold Medal", "Sil 阅读全文

posted @ 2018-04-01 12:29 bonelee 阅读(182) 评论(0) 推荐(0)

leetcode 217. Contains Duplicate

摘要： Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the arr 阅读全文

posted @ 2018-04-01 10:36 bonelee 阅读(140) 评论(0) 推荐(0)

2018年3月30日

leetcode 387. First Unique Character in a String

摘要： Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: s = "leetcode" return 0. 阅读全文

posted @ 2018-03-30 22:32 bonelee 阅读(249) 评论(0) 推荐(0)

leetcode 237. Delete Node in a Linked List

摘要： Write a function to delete a node (except the tail) in a singly linked list, given only access to that node. Supposed the linked list is 1 -> 2 -> 3 - 阅读全文

posted @ 2018-03-30 22:08 bonelee 阅读(191) 评论(0) 推荐(0)

leetcode 455. Assign Cookies

摘要： Assume you are an awesome parent and want to give your children some cookies. But, you should give each child at most one cookie. Each child i has a g 阅读全文

posted @ 2018-03-30 22:05 bonelee 阅读(189) 评论(0) 推荐(0)

python dig 模拟—— DGA域名判定用

摘要：例如： python dig_ip.py 8264.comRecursive name lookup (simulates dig)...8264.com cname is qaz2d84guo7uz5q2.gfnormal01at.com.[u'121.29.18.91'] =>IP地址 pyth 阅读全文

posted @ 2018-03-30 11:05 bonelee 阅读(1665) 评论(0) 推荐(0)

2018年3月29日

leetcode 783. Minimum Distance Between BST Nodes 以及同样的题目 530. Minimum Absolute Difference in BST

摘要： Given a Binary Search Tree (BST) with the root node root, return the minimum difference between the values of any two different nodes in the tree. Exa 阅读全文

posted @ 2018-03-29 23:12 bonelee 阅读(476) 评论(0) 推荐(0)

leetcode 242. Valid Anagram

摘要： Given two strings s and t, write a function to determine if t is an anagram of s. For example, s = "anagram", t = "nagaram", return true. s = "rat", t 阅读全文

posted @ 2018-03-29 22:29 bonelee 阅读(177) 评论(0) 推荐(0)

gfnormal 域名是阿里云的高防IP

摘要：最近DGA检出了一堆阿里高防的域名，例如：u3mbyv2siyaw2tnm.gfnormal09aq.com，然后专门查找了下相关文档。例如 8264.com 这个网站启用了aliyun的高防DDoS。 dig 8264.com 可以看到：; <<>> DiG 9.10.3-P4-Ubuntu < 阅读全文

posted @ 2018-03-29 19:25 bonelee 阅读(847) 评论(0) 推荐(0)

将者，智、信、仁、勇、严也。

Hi，我是李智华，华为-安全AI算法专家，欢迎来到安全攻防对抗的有趣世界。

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