g0301_0400.s0389_find_the_difference.Solution Maven / Gradle / Ivy

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Java-based LeetCode algorithm problem solutions, regularly updated

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package g0301_0400.s0389_find_the_difference;

// #Easy #String #Hash_Table #Sorting #Bit_Manipulation #Programming_Skills_I_Day_8_String
// #Udemy_Bit_Manipulation #2022_07_13_Time_1_ms_(100.00%)_Space_42.3_MB_(48.30%)

public class Solution {
    public char findTheDifference(String s, String t) {
        char c = 0;
        for (char cs : s.toCharArray()) {
            c ^= cs;
        }
        for (char ct : t.toCharArray()) {
            c ^= ct;
        }
        return c;
    }
}