I tried to submit the following method: public static void main(String args[] ) throws Exception { /* Enter your code here. Read input from STDIN. Print output to STDOUT */ BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in)); String s = bufferedReader.readLine(), t = bufferedReader.readLine(); System.out.println(IntStream.range(0, s.length()).mapToObj(i -> String.valueOf(s.charAt(i) ^ t.charAt(i))).collect(Collectors.joining()));

} although it visually presents the same result. It is difficult to understand what the real problem is.

I have checked multiple times, my logic is correct, the output I am printing is also correct but compiler says wrong answer. Any idea? Compiler Message: Wrong Answer Input (stdin) 10101 00101 Your Output (stdout) 10000 Expected Output 10000

C++ test:

do not refactor, just fix three errors. There is a bug somewhere on test backend, it fails tests if submitted under C++20/C++23. If submitted under C++14, it passes all tests. It is a bug on the HR backend, the same code compiled under gcc with C++20 compliance works just fine.

for java user public static String stringsXOR(String s, String t) { String res = new String(""); for(int i = 0; i < s.length(); i++) { if(s.charAt(i) == t.charAt(i)) res += "0"; else res += "1"; } use this code it will clear as the note in problem suggest to to not delete or add code annd only 3 changes so this will help as i cleared return res; }

"I've been working on the function and encountered an issue that I haven't been able to resolve. Here's the code I'm using:

Java 7

public class Solution {

public static String stringsXOR(String s, String t) {
    StringBuilder res = new StringBuilder(); // Use StringBuilder for efficient concatenation

    for (int i = 0; i < s.length(); i++) {
    // Calculate XOR for each pair of characters
        res.append(s.charAt(i) ^ t.charAt(i));
    }

    return res.toString().trim();
}

public static void main(String[] args) {

    String s, t;
    Scanner in = new Scanner(System.in);
    s = in.nextLine();
    t = in.nextLine();
    System.out.print(stringsXOR(s, t));

It passes basic test cases manually, but when running in the environment, it fails with a 'Wrong Answer' message.

I can't figure out where the issue lies, as both the outputs seem the same. If anyone can provide insights or point out anything I might have missed, I'd really appreciate the help. Thanks in advance!"

}

}