戈壁堂

Knowledge Is Action

Mysql

不忽略空格

MySQL默认情况,字符串比较忽略开头和结尾的空格。如果在查询中指定的值之后有空格,它仍然会与数据库中的值匹配。

Algo issues

第一周题目

链表

简单:https://leetcode.com/problems/remove-duplicates-from-sorted-list/
简单:https://leetcode.com/problems/merge-two-sorted-lists
中等:https://leetcode.com/problems/swap-nodes-in-pairs/
中等:https://leetcode.com/problems/linked-list-cycle-ii
困难:https://leetcode.com/problems/reverse-nodes-in-k-group/