10 lines
414 B
Python
10 lines
414 B
Python
# https://leetcode.com/problems/kth-distinct-string-in-an-array
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from typing import List
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class Solution:
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def kthDistinct(self, arr: List[str], k: int) -> str:
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cnt = dict()
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for i in range(len(arr)):
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cnt[arr[i]] = len(arr) if arr[i] in cnt else i
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ret = sorted(cnt.values())[k - 1] if 0 <= k - 1 < len(cnt) else -1
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return "" if ret < 0 or ret >= len(arr) else arr[ret]
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