From 23894a73dd1d08c7a623e731b25b11e6d7e84031 Mon Sep 17 00:00:00 2001
From: JHLEE325 <82587652+JHLEE325@users.noreply.github.com>
Date: Fri, 20 Feb 2026 18:59:00 +0900
Subject: [PATCH] =?UTF-8?q?[20260220]=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=A4=80=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" | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 "JHLEE325/202602/20 BOJ G5 \353\213\244\354\235\264\354\226\264\355\212\270.md"

diff --git "a/JHLEE325/202602/20 BOJ G5 \353\213\244\354\235\264\354\226\264\355\212\270.md" "b/JHLEE325/202602/20 BOJ G5 \353\213\244\354\235\264\354\226\264\355\212\270.md"
new file mode 100644
index 00000000..e87be229
--- /dev/null
+++ "b/JHLEE325/202602/20 BOJ G5 \353\213\244\354\235\264\354\226\264\355\212\270.md"	
@@ -0,0 +1,38 @@
+```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));
+        int G = Integer.parseInt(br.readLine());
+
+        long low = 1;
+        long high = 2;
+        boolean found = false;
+        StringBuilder sb = new StringBuilder();
+
+        while (true) {
+            long diff = high * high - low * low;
+
+            if (high - low == 1 && diff > G) break;
+
+            if (diff == G) {
+                sb.append(high).append("\n");
+                found = true;
+                high++;
+            } else if (diff < G) {
+                high++;
+            } else {
+                low++;
+            }
+        }
+
+        if (!found) {
+            System.out.println(-1);
+        } else {
+            System.out.print(sb.toString());
+        }
+    }
+}
+```