Medium
Longest Common Prefix
Medium
0 submissions
25 coins
+100 XP
String
Problem Description
Write a function to find the longest common prefix string amongst an array of strings.
If there is no common prefix, return an empty string `""`.
**Example 1:**
```
Input: strs = ["flower","flow","flight"]
Output: "fl"
```
**Example 2:**
```
Input: strs = ["dog","racecar","car"]
Output: ""
Explanation: There is no common prefix among the input strings.
```
**Example 3:**
```
Input: strs = ["ab","a"]
Output: "a"
```
Constraints
- `1 <= strs.length <= 200`
- `0 <= strs[i].length <= 200`
- `strs[i]` consists of only lowercase English letters.
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