题解 | #最长无重复子数组#

#
# 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
#
# 
# @param arr int整型一维数组 the array
# @return int整型

from typing import List

class Solution:
    def maxLength(self , arr: List[int]) -> int:
        # write code here
        l = 0
        r = 0
        res = []
        best_res = []
        while r < len(arr):
            res = arr[l:r+1]

            while res.count(arr[r]) > 1:
                l += 1
                res = arr[l:r+1]

            if len(res) > len(best_res):
                best_res = res[:]
                
            
            r += 1
            
        return len(best_res)