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205. Isomorphic Strings
Description
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 * 104t.length == s.lengthsandtconsist of any valid ascii character.