Leetcode içerisinde bulunan “Reverse String”‘ sorusunun açıklaması ve çözümü. Bu soruda karakter dizisi olarak verilen string’in ekstra bir alan kullanmadan tersine çevirmeniz isteniyor.

🔥 LeetCode 344. Reverse String: https://leetcode.com/problems/reverse-string/

➡️ Problem açıklaması:

Write a function that reverses a string. The input string is given as an array of characters char[].

⚠️ Do not allocate extra space for another array, you must do this by modifying the input array in-place with O(1) extra memory.

You may assume all the characters consist of printable ascii characters.

Example 1:

Input: [“h”,”e”,”l”,”l”,”o”]

Output: [“o”,”l”,”l”,”e”,”h”]

Example 2:

Input: [“H”,”a”,”n”,”n”,”a”,”h”]

Output: [“h”,”a”,”n”,”n”,”a”,”H”]

➡️ Two Pointer tekniği: https://www.geeksforgeeks.org/two-pointers-technique/