1163. Last Substring in Lexicographical Order

https://leetcode.com/problems/last-substring-in-lexicographical-order

Description

Given a string s, return the last substring of s in lexicographical order.

Example 1:

**Input:** s = "abab"
**Output:** "bab"
**Explanation:** The substrings are ["a", "ab", "aba", "abab", "b", "ba", "bab"]. The lexicographically maximum substring is "bab".

Example 2:

**Input:** s = "leetcode"
**Output:** "tcode"

Constraints:

• 1 <= s.length <= 4 * 105

• s contains only lowercase English letters.

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