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Oct 25, 2019
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Add README.md for 0038.Count and Say
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electricbubble authored Oct 25, 2019
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## 报数
### 题目描述

报数序列是一个整数序列,按照其中的整数的顺序进行报数,得到下一个数。其前五项如下:
```
1. 1
2. 11
3. 21
4. 1211
5. 111221
```

`1` 被读作  `"one 1"`  (`"一个一"`) , 即 `11`。
`11` 被读作 `"two 1s"` (`"两个一"`), 即 `21`。
`21` 被读作 `"one 2"`,  `"one 1"` (`"一个二"` ,  `"一个一"`) , 即 `1211`。

给定一个正整数 n(1 ≤ n ≤ 30),输出报数序列的第 n 项。

注意:整数顺序将表示为一个字符串。



示例 1:
```
输入: 1
输出: "1"
```

示例 2:
```
输入: 4
输出: "1211"
```