문제

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 “”.

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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.

잘못된 풀이(1차)

def solution(array, commands):
    answer = []
    temp = []
    
    for i in range(3):
        array[commands[i][0]-1:commands[i][1]].sort()
        answer[i] = temp[commands[i][2]-1]
            
    return answer

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반성일지(1차)

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