
Formed in 2009, the Archive Team (not to be confused with the archive.org Archive-It Team) is a rogue archivist collective dedicated to saving copies of rapidly dying or deleted websites for the sake of history and digital heritage. The group is 100% composed of volunteers and interested parties, and has expanded into a large amount of related projects for saving online and digital history.
History is littered with hundreds of conflicts over the future of a community, group, location or business that were "resolved" when one of the parties stepped ahead and destroyed what was there. With the original point of contention destroyed, the debates would fall to the wayside. Archive Team believes that by duplicated condemned data, the conversation and debate can continue, as well as the richness and insight gained by keeping the materials. Our projects have ranged in size from a single volunteer downloading the data to a small-but-critical site, to over 100 volunteers stepping forward to acquire terabytes of user-created data to save for future generations.
The main site for Archive Team is at archiveteam.org and contains up to the date information on various projects, manifestos, plans and walkthroughs.
This collection contains the output of many Archive Team projects, both ongoing and completed. Thanks to the generous providing of disk space by the Internet Archive, multi-terabyte datasets can be made available, as well as in use by the Wayback Machine, providing a path back to lost websites and work.
Our collection has grown to the point of having sub-collections for the type of data we acquire. If you are seeking to browse the contents of these collections, the Wayback Machine is the best first stop. Otherwise, you are free to dig into the stacks to see what you may find.
The Archive Team Panic Downloads are full pulldowns of currently extant websites, meant to serve as emergency backups for needed sites that are in danger of closing, or which will be missed dearly if suddenly lost due to hard drive crashes or server failures.
Write a function that takes a string as input and reverse only the vowels of a string.
Example 1:
Given s = "hello", return "holle".
Example 2:
Given s = "leetcode", return "leotcede".
这道题让我们翻转字符串中的元音字母,元音字母有五个a,e,i,o,u,需要注意的是大写的也算,所以总共有十个字母。我们写一个isVowel的函数来判断当前字符是否为元音字母,如果两边都是元音字母,那么我们交换,如果左边的不是,向右移动一位,如果右边的不是,则向左移动一位,参见代码如下:
解法一:
或者我们也可以用自带函数find_first_of和find_last_of来找出包含给定字符串中任意一个字符的下一个位置进行交换即可:
解法二:
我们也可以把元音字母都存在一个字符串里,然后每遇到一个字符,就到元音字符串里去找,如果存在就说明当前字符是元音字符,参见代码如下:
解法三:
类似题目:
Reverse String
Reverse Words in a String II
Reverse Words in a String
参考资料:
https://leetcode.com/discuss/99048/easy-to-understand-c-solution
https://leetcode.com/discuss/99047/super-clean-solution-using-find_first_of-and-find_last_of
https://leetcode.com/discuss/99062/java-two-pointers-solution-easy-understand-finish-interview
LeetCode All in One 题目讲解汇总(持续更新中...)
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