carloscn / carloscn/structstudy

leetcode205:同构字符串(isomorphic-strings)

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Level-easy 一般问题 字符串
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Description

### 问题描述

给定两个字符串 s 和 t ,判断它们是否是同构的。

如果 s 中的字符可以按某种映射关系替换得到 t ,那么这两个字符串是同构的。

每个出现的字符都应当映射到另一个字符,同时不改变字符的顺序。不同字符不能映射到同一个字符上,相同字符只能映射到同一个字符上,字符可以映射到自己本身。

示例 1:
输入:s = "egg", t = "add"
输出:true

示例 2:
输入:s = "foo", t = "bar"
输出:false

示例 3:
输入:s = "paper", t = "title"
输出:true
 
提示:
1 <= s.length <= 5 * 104
t.length == s.length
s 和 t 由任意有效的 ASCII 字符组成

来源:力扣(LeetCode)
链接:https://leetcode.cn/problems/isomorphic-strings

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