From 5169f3368799adc5a218db722ed5f42e23762b78 Mon Sep 17 00:00:00 2001
From: LiiNi-coder <97495437+LiiNi-coder@users.noreply.github.com>
Date: Tue, 17 Feb 2026 23:51:48 +0900
Subject: [PATCH] =?UTF-8?q?[20260217]=20BOJ=20/=20G5=20/=20=EB=8B=A4?=
 =?UTF-8?q?=EC=9D=B4=EC=96=B4=ED=8A=B8=20/=20=EC=9D=B4=EC=9D=B8=ED=9D=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...44\354\235\264\354\226\264\355\212\270.md" | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 "LiiNi-coder/202602/17 BOJ \353\213\244\354\235\264\354\226\264\355\212\270.md"

diff --git "a/LiiNi-coder/202602/17 BOJ \353\213\244\354\235\264\354\226\264\355\212\270.md" "b/LiiNi-coder/202602/17 BOJ \353\213\244\354\235\264\354\226\264\355\212\270.md"
new file mode 100644
index 00000000..b51f179a
--- /dev/null
+++ "b/LiiNi-coder/202602/17 BOJ \353\213\244\354\235\264\354\226\264\355\212\270.md"	
@@ -0,0 +1,34 @@
+```java
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+public class Main {
+	public static void main(String[] args) throws IOException {
+		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+		int G = Integer.parseInt(br.readLine());
+		long old = 1;
+		long now = 2;
+		boolean isFind = false;
+
+		while (now <= 100000 && old < now) {
+			long diff = now * now - old * old;
+			if (diff == G) {
+				System.out.println(now);
+				isFind = true;
+				old++;
+			} else if (diff < G) {
+				now++;
+			} else {
+				old++;
+			}
+		}
+
+		
+		if (!isFind) {
+			System.out.println(-1);
+		}
+	}
+}
+
+```