Existence of a Substring in a String and Its Reverse - Video Solutions

EasyHash TableString

Permutation in String | Leetcode #567 | Anagram of string s1 in string s2

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10 video solutions available

Existence of a Substring in a String and Its Reverse - Video Solution

Watch 10 video solutions for Existence of a Substring in a String and Its Reverse, a easy level problem involving Hash Table, String. This walkthrough by Techdose has 68,348 views views. Want to try solving it yourself? Practice on FleetCode or read the detailed text solution.

Problem Statement

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", "bc", "cb", "ba" are also present in reverse(s) == "abcba".

Example 3:

Input: s = "abcd"

Output: false

Explanation: There is no substring of length 2 in s, which is also present in the reverse of s.

Constraints:

1 <= s.length <= 100
s consists only of lowercase English letters.

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Problem Statement

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Existence of a Substring in a String and Its Reverse - Video Solutions

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Existence of a Substring in a String and Its Reverse | Leetcode Weekly Contest 389 | DCC NIT-A

Existence of a Substring in a String and Its Reverse - Video Solution

Problem Statement

Continue Learning