Reverse Only Letters - Video Solutions

EasyTwo PointersString

Reverse Only Letters

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10 video solutions available

Reverse Only Letters - Video Solution

Watch 10 video solutions for Reverse Only Letters, a easy level problem involving Two Pointers, String. This walkthrough by Kevin Naughton Jr. has 16,578 views views. Want to try solving it yourself? Practice on FleetCode or read the detailed text solution.

Problem Statement

Given a string s, reverse the string according to the following rules:

All the characters that are not English letters remain in the same position.
All the English letters (lowercase or uppercase) should be reversed.

Return s after reversing it.

Example 1:

Input: s = "ab-cd"
Output: "dc-ba"

Example 2:

Input: s = "a-bC-dEf-ghIj"
Output: "j-Ih-gfE-dCba"

Example 3:

Input: s = "Test1ng-Leet=code-Q!"
Output: "Qedo1ct-eeLg=ntse-T!"

Constraints:

1 <= s.length <= 100
s consists of characters with ASCII values in the range [33, 122].
s does not contain '\"' or '\\'.

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Problem Statement

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