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【第三轮】6.16-6.22 CareerCup 1.4

wrj5518
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1.4 Write a method to replace all spaces in a string with'%20'. You may assume that the string has sufficient space at the end of the string to hold the additional characters, and that you are given the "true" length of the string. (Note: if implementing in Java, please use a character array so that you can perform this operation in place.)

EXAMPLE

Input: "Mr John Smith "

Output: "Mr%20Dohn%20Smith"



回复解法可以按照以下格式来

[indent]
【解题思路】

【时间复杂度】

【空间复杂度】

【gist link】

---------------optional,如果觉得test case比较好,欢迎写出来分享----------------------

【test case】


[/indent]


Notice:

1、记得在程序注释中表明自己算法的时间、空间复杂度

2、代码难懂之处加注释

3、每道题目有对应的帖子,除了贴解法,欢迎讨论,集思广益

4、任何未尽之处,欢迎回报名帖提问,我会进一步作出修改。
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