535. Encode and Decode TinyURL

题目

Note: This is a companion PRoblem to the System Design problem: Design TinyURL. TinyURL is a URL shortening service where you enter a URL such as https://leetcode.com/problems/design-tinyurl and it returns a short URL such as http://tinyurl.com/4e9iAk.

Design the encode and decode methods for the TinyURL service. There is no restriction on how your encode/decode algorithm should work. You just need to ensure that a URL can be encoded to a tiny URL and the tiny URL can be decoded to the original URL.

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思路

最简单的，就是加解密都为空算法。。。

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class Solution { public: // Encodes a URL to a shortened URL. string encode(string longUrl) { return longUrl; } // Decodes a shortened URL to its original URL. string decode(string shortUrl) { return shortUrl; } }; // Your Solution object will be instantiated and called as such: // Solution solution; // solution.decode(solution.encode(url));