3083. Existence of a Substring in a String and Its Reverse

LeetCodeHash TableStringOpen on judge ↗

Given a string s, find any substring of length 2 which is also present in the reverse of s. Return true if such a substring exists, and false otherwise. Example 1: Input: s = "leetcode" Output: true Explanation: Substring "ee" is of length 2 which is also present in reverse(s) == "edocteel". Example 2: Input: s = "abcba" Output: true Explanation: All of the substrings of length 2 "ab",

HINT LADDERno hints yet

L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

🔒

L5 Full solution

L5 unlocks only if you insist twice

solution.cppC++17

CodeSearch Tutor

Hints, not spoilers — it won’t hand over the full solution unless you insist.

voice by Sarvam AI