You are given a string s and an integer k, a k duplicate removal consists of choosing k adjacent and equal letters from s and removing them ...
In a string composed of L , R , and X characters, like RXXLRXRXL , a move consists of either replacing one occurrence of XL with LX , or replacing one occurrence of RX with XR . Given the starting st ...
2018-05-07 10:54 3 3510 推荐指数:
You are given a string s and an integer k, a k duplicate removal consists of choosing k adjacent and equal letters from s and removing them ...
Given a string S of lowercase letters, a duplicate removal consists of choosing two adjacent and equal letters, and removing them. We repeatedly ...
需要注意的是数组必须定义为固定的长度,如:char chary[20]; 5C2o"Go!\gm nHH0 数组的最大长度为32064(32K),否则会出现“too many variables”编译错误。 7L+|PY0Z0 如果定义为变长的字符串 ...
这是小川的第389次更新,第419篇原创 01 看题和准备 今天介绍的是LeetCode算法题中Easy级别的第251题(顺位题号是1047)。给定一个小写字母的字符串S,重复删除两个相邻且相等的字母。 我们在S上反复删除,直到我们再也无法删除。 在完成所有此类重复删除后返回最后一个字符串 ...
) of the string. You can swap the characters at any pair of indic ...
中文,R是里面的字符串都不转义,所以可以加括号什么的 ...
题目 给定仅由小写字母组成的非空字符串,存在一个重复项删除操作,其会选择两个相邻且相同的字母,并删除它们。 请在字符串上反复执行重复项删除操作,直到无法继续删除,并在完成所有重复项删除操作后返回最终的新字符串。 例如: 给定一个字符串:aaabbaaaca,返回结果:ca 给定 ...
题目:给定一个单链表,交换两个相邻的节点,且返回交换之后的头节点 举例: Given 1->2->3->4, you should return the list as 2->1->4->3. 解题思路: 题目本身很简单,但是要注意一些细节: 1. ...