# Consecutive Duplicates

Given a string `s`

, consisting of `"X"`

and `"Y"`

s, delete the minimum number of characters such that there’s no consecutive `"X"`

and no consecutive `"Y"`

.

**Constraints**

`n ≤ 100,000`

where`n`

is the length of`s`

https://binarysearch.com/problems/Consecutive-Duplicates

## Examples

### Example 1

**Input**

- s =
`YYYXYXX`

**Output**

- answer =
`YXYX`

**Explanation**

One solution is to delete the first two “Y”s and the last “X”.

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