g0301_0400.s0344_reverse_string.Solution Maven / Gradle / Ivy

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Java-based LeetCode algorithm problem solutions, regularly updated

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package g0301_0400.s0344_reverse_string;

// #Easy #Top_Interview_Questions #String #Two_Pointers #Recursion #Algorithm_I_Day_4_Two_Pointers
// #Udemy_Strings #2022_07_11_Time_1_ms_(99.91%)_Space_54.4_MB_(64.26%)

public class Solution {
    public void reverseString(char[] s) {
        int left = 0;
        int right = s.length - 1;
        while (left < right) {
            char tmp = s[left];
            s[left++] = s[right];
            s[right--] = tmp;
        }
    }
}