easyArrayStringTrie 0 views
Longest Common Prefix
Write a function to find the longest common prefix string amongst an array of strings.
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.
Constraints
- 1 <= strs.length <= 200
- 0 <= strs[i].length <= 200
- strs[i] consists of only lowercase English letters if it is non-empty.
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