From 74ad173800899ee18330f6819aea295f26b9be67 Mon Sep 17 00:00:00 2001
From: Jinyeong Seol <wlsdud5654@gmail.com>
Date: Thu, 31 Jul 2025 23:52:57 +0900
Subject: [PATCH] =?UTF-8?q?[20250731]=20BOJ=20/=20G5=20/=20=EB=91=90=20?=
 =?UTF-8?q?=EC=88=98=EC=9D=98=20=ED=95=A9=20/=20=EC=84=A4=EC=A7=84?=
 =?UTF-8?q?=EC=98=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ... \354\210\230\354\235\230 \355\225\251.md" | 54 +++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 "Seol-JY/202507/31 BOJ G5 \353\221\220 \354\210\230\354\235\230 \355\225\251.md"

diff --git "a/Seol-JY/202507/31 BOJ G5 \353\221\220 \354\210\230\354\235\230 \355\225\251.md" "b/Seol-JY/202507/31 BOJ G5 \353\221\220 \354\210\230\354\235\230 \355\225\251.md"
new file mode 100644
index 00000000..af498078
--- /dev/null
+++ "b/Seol-JY/202507/31 BOJ G5 \353\221\220 \354\210\230\354\235\230 \355\225\251.md"	
@@ -0,0 +1,54 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        StringBuilder sb = new StringBuilder();
+        
+        int t = Integer.parseInt(br.readLine());
+        
+        for (int tc = 0; tc < t; tc++) {
+            StringTokenizer st = new StringTokenizer(br.readLine());
+            int n = Integer.parseInt(st.nextToken());
+            int k = Integer.parseInt(st.nextToken());
+            
+            int[] arr = new int[n];
+            st = new StringTokenizer(br.readLine());
+            for (int i = 0; i < n; i++) {
+                arr[i] = Integer.parseInt(st.nextToken());
+            }
+            
+            Arrays.sort(arr);
+            
+            int left = 0;
+            int right = n - 1;
+            int minDiff = Integer.MAX_VALUE;
+            int count = 0;
+            
+            while (left < right) {
+                int sum = arr[left] + arr[right];
+                int diff = Math.abs(sum - k);
+                
+                if (diff < minDiff) {
+                    minDiff = diff;
+                    count = 1;
+                } else if (diff == minDiff) {
+                    count++;
+                }
+                
+                if (sum < k) {
+                    left++;
+                } else {
+                    right--;
+                }
+            }
+            
+            sb.append(count).append('\n');
+        }
+        
+        System.out.print(sb);
+    }
+}
+```