From 04160b15dcdced3c56f19dfb00387d32d420de5a Mon Sep 17 00:00:00 2001
From: oncsr <khj20006@naver.com>
Date: Sun, 8 Mar 2026 19:56:43 +0900
Subject: [PATCH] =?UTF-8?q?[20260308]=20BOJ=20/=20G1=20/=20XOR=20=ED=95=A9?=
 =?UTF-8?q?=203=20/=20=EA=B6=8C=ED=98=81=EC=A4=80?=
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---
 .../202603/08 BOJ G1 XOR \355\225\251 3.md"   | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 "khj20006/202603/08 BOJ G1 XOR \355\225\251 3.md"

diff --git "a/khj20006/202603/08 BOJ G1 XOR \355\225\251 3.md" "b/khj20006/202603/08 BOJ G1 XOR \355\225\251 3.md"
new file mode 100644
index 00000000..35575349
--- /dev/null
+++ "b/khj20006/202603/08 BOJ G1 XOR \355\225\251 3.md"	
@@ -0,0 +1,40 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class BOJ13710 {
+
+    public static void main(String[] args) throws Exception {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+
+        int N = Integer.parseInt(br.readLine());
+        StringTokenizer st = new StringTokenizer(br.readLine());
+        int[] arr = new int[N];
+        for(int i=0;i<N;i++) {
+            arr[i] = Integer.parseInt(st.nextToken());
+        }
+
+        long ans = 0;
+        for(int k=0;k<30;k++) {
+            long odd = 0, even = 1;
+            int sum = 0;
+            for(int i=0;i<N;i++) {
+                int a = (arr[i] & (1 << k)) == 0 ? 0 : 1;
+                sum ^= a;
+                if(sum == 0) {
+                    ans += odd * (1L << k);
+                    even++;
+                }
+                else {
+                    ans += even * (1L << k);
+                    odd++;
+                }
+            }
+        }
+        bw.write(ans + "\n");
+        bw.close();
+    }
+
+}
+```