增加No535

Author: tujietg

README.md

@@ -86,5 +86,15 @@
 | No196 | [196. 删除重复的电子邮箱](https://leetcode-cn.com/problems/delete-duplicate-emails/) | [MySql](https://github.com/Programming-With-Love/leetcode/blob/master/leetcode/SQL/No196.sql) | 判断Email相等而且id不能相等。                                |
 | No197 | [197. 上升的温度](https://leetcode-cn.com/problems/rising-temperature/) | [MySql](https://github.com/Programming-With-Love/leetcode/blob/master/leetcode/SQL/No197.sql) | 采用DATEDIFF函数 并且其结果等于1。                           |
 
+---
+
+####Hash
+
+| #     | Title                                                        | Solution | Note |
+| ----- | ------------------------------------------------------------ | -------- | ---- |
+| No535 | [535. TinyURL 的加密与解密](https://leetcode-cn.com/problems/encode-and-decode-tinyurl/) |          |      |
+|       |                                                              |          |      |
+|       |                                                              |          |      |
+
 
 

leetcode/hashtable/No349.java renamed to leetcode/hash/No349.java

@@ -1,4 +1,4 @@
-package Algorithm.leetcode.hashtable;
+package Algorithm.leetcode.hash;
 
 import java.util.HashSet;
 import java.util.Set;

leetcode/hashtable/No389.java renamed to leetcode/hash/No389.java

@@ -1,4 +1,4 @@
-package Algorithm.leetcode.hashtable;
+package Algorithm.leetcode.hash;
 
 /**
  * 

leetcode/hashtable/No409.java renamed to leetcode/hash/No409.java

@@ -1,4 +1,4 @@
-package Algorithm.leetcode.hashtable;
+package Algorithm.leetcode.hash;
 
 import java.util.HashSet;
 import java.util.Set;

leetcode/hash/No535.java

@@ -0,0 +1,25 @@
+package Algorithm.leetcode.hash;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 
+ * Created by tujietg on Feb 11, 2020
+ */
+public class No535 {
+
+	Map<Integer, String> map = new HashMap<>();
+	int i = 0;
+
+	// Encodes a URL to a shortened URL.
+	public String encode(String longUrl) {
+		map.put(i, longUrl);
+		return "http://tinyurl.com/" + i++;
+	}
+
+	// Decodes a shortened URL to its original URL.
+	public String decode(String shortUrl) {
+		return map.get(Integer.parseInt(shortUrl.replace("http://tinyurl.com/", "")));
+	}
+}

leetcode/hashtable/No771.java renamed to leetcode/hash/No771.java

@@ -1,4 +1,4 @@
-package Algorithm.leetcode.hashtable;
+package Algorithm.leetcode.hash;
 
 import java.util.HashSet;