Write a function to find the longest common prefix string amongst an array of strings. You are allowed to use a maximum of two loops for this problem. 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.
Write a function to find the longest common prefix string amongst an array of strings. You are allowed to use a maximum of two loops for this problem. 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.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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![Write a function to find the longest common prefix string amongst an array of strings. You are
allowed to use a maximum of two loops for this problem.
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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3e634767-d80e-4016-a32d-ec2d5c50fdda%2Fd3c5ebde-7787-430f-b2bd-3dbd69498367%2Fij9bcp_processed.png&w=3840&q=75)
Transcribed Image Text:Write a function to find the longest common prefix string amongst an array of strings. You are
allowed to use a maximum of two loops for this problem.
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.
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