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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"]
Difficulty:
Easy
Lock:
Normal
All contents and pictures on this website come from the Internet and are updated regularly every week. They are for personal study and research only, and should not be used for commercial purposes. Thank you for your cooperation.