From e791ae0a3e6c013b0ecb2b8981ec4dc7bcd793f5 Mon Sep 17 00:00:00 2001
From: LiiNi-coder <97495437+LiiNi-coder@users.noreply.github.com>
Date: Wed, 18 Feb 2026 23:49:14 +0900
Subject: [PATCH] =?UTF-8?q?[20260218]=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=9D=B4=EC=9D=B8?=
 =?UTF-8?q?=ED=9D=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...20\354\210\230\354\235\230\355\225\251.md" | 52 +++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 "LiiNi-coder/202602/18 BOJ \353\221\220\354\210\230\354\235\230\355\225\251.md"

diff --git "a/LiiNi-coder/202602/18 BOJ \353\221\220\354\210\230\354\235\230\355\225\251.md" "b/LiiNi-coder/202602/18 BOJ \353\221\220\354\210\230\354\235\230\355\225\251.md"
new file mode 100644
index 00000000..6f0adff4
--- /dev/null
+++ "b/LiiNi-coder/202602/18 BOJ \353\221\220\354\210\230\354\235\230\355\225\251.md"	
@@ -0,0 +1,52 @@
+```java
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.Arrays;
+import java.util.StringTokenizer;
+
+public class Main {
+	public static void main(String[] args) throws IOException {
+		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+		int t = Integer.parseInt(br.readLine());
+		StringBuilder sb = new StringBuilder();
+		while (t-- > 0) {
+			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 l = 0;
+			int r = n - 1;
+			int minDiff = Integer.MAX_VALUE;
+			int count = 0;
+
+			while (l < r) {
+				int sum = arr[l] + arr[r];
+				int diff = Math.abs(K - sum);
+
+				if (diff < minDiff) {
+					minDiff = diff;
+					count = 1;
+				} else if (diff == minDiff) {
+					count++;
+				}
+				if (sum < K) {
+					l++;
+				} else {
+					r--;
+				}
+			}
+			sb.append(count).append("\n");
+		}
+
+		System.out.print(sb);
+	}
+}
+
+```