week code 27 - zero move nim game - study code - Java

zeroNimSum_studycode.java

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int g = in.nextInt();
        for(int a0 = 0; a0 < g; a0++){
            int n = in.nextInt();
            int[] p = new int[n];
            int sum = 0;
            for(int p_i=0; p_i < n; p_i++){
                p[p_i] = in.nextInt();
                if (p[p_i] % 2 == 0) p[p_i]--;
                else p[p_i]++;
                sum = sum ^ p[p_i];
            }
            if (sum == 0) System.out.println("L");
            else System.out.println("W");
        }
    }
}