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Published: Feb 20, 2024 License: MIT Imports: 1 Imported by: 0

README

保证文件名唯一

给你一个长度为 n 的字符串数组 names 。你将会在文件系统中创建 n 个文件夹:在第 i 分钟,新建名为 names[i] 的文件夹。

由于两个文件 不能 共享相同的文件名,因此如果新建文件夹使用的文件名已经被占用,系统会以 (k) 的形式为新文件夹的文件名添加后缀,其中 k 是能保证文件名唯一的 最小正整数

返回长度为_n_ 的字符串数组,其中 ans[i] 是创建第 i 个文件夹时系统分配给该文件夹的实际名称。

示例 1:

输入:names = ["pes","fifa","gta","pes(2019)"]
输出:["pes","fifa","gta","pes(2019)"]
解释:文件系统将会这样创建文件名:
"pes" --> 之前未分配,仍为 "pes"
"fifa" --> 之前未分配,仍为 "fifa"
"gta" --> 之前未分配,仍为 "gta"
"pes(2019)" --> 之前未分配,仍为 "pes(2019)"

示例 2:

输入:names = ["gta","gta(1)","gta","avalon"]
输出:["gta","gta(1)","gta(2)","avalon"]
解释:文件系统将会这样创建文件名:
"gta" --> 之前未分配,仍为 "gta"
"gta(1)" --> 之前未分配,仍为 "gta(1)"
"gta" --> 文件名被占用,系统为该名称添加后缀 (k),由于 "gta(1)" 也被占用,所以 k = 2 。实际创建的文件名为 "gta(2)" 。
"avalon" --> 之前未分配,仍为 "avalon"

示例 3:

输入:names = ["onepiece","onepiece(1)","onepiece(2)","onepiece(3)","onepiece"]
输出:["onepiece","onepiece(1)","onepiece(2)","onepiece(3)","onepiece(4)"]
解释:当创建最后一个文件夹时,最小的正有效 k 为 4 ,文件名变为 "onepiece(4)"。

示例 4:

输入:names = ["wano","wano","wano","wano"]
输出:["wano","wano(1)","wano(2)","wano(3)"]
解释:每次创建文件夹 "wano" 时,只需增加后缀中 k 的值即可。

示例 5:

输入:names = ["kaido","kaido(1)","kaido","kaido(1)"]
输出:["kaido","kaido(1)","kaido(2)","kaido(1)(1)"]
解释:注意,如果含后缀文件名被占用,那么系统也会按规则在名称后添加新的后缀 (k) 。

提示:

  • 1 <= names.length <= 5 * 10^4
  • 1 <= names[i].length <= 20
  • names[i] 由小写英文字母、数字和/或圆括号组成。

Documentation

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