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g0201_0300.s0205_isomorphic_strings.readme.md Maven / Gradle / Ivy

205\. Isomorphic Strings

Easy

Given two strings `s` and `t`, _determine if they are isomorphic_.

Two strings `s` and `t` are isomorphic if the characters in `s` can be replaced to get `t`.

All occurrences of a character must be replaced with another character while preserving the order of characters. No two characters may map to the same character, but a character may map to itself.

**Example 1:**

**Input:** s = "egg", t = "add"

**Output:** true 

**Example 2:**

**Input:** s = "foo", t = "bar"

**Output:** false 

**Example 3:**

**Input:** s = "paper", t = "title"

**Output:** true 

**Constraints:**

*   1 <= s.length <= 5 * 104
*   `t.length == s.length`
*   `s` and `t` consist of any valid ascii character.