diff --git "a/zinnnn37/202602/03 BOJ G5 \353\236\255\355\215\274\353\223\240 \354\210\230\354\227\264\354\237\201\354\235\264\354\225\274!!.md" "b/zinnnn37/202602/03 BOJ G5 \353\236\255\355\215\274\353\223\240 \354\210\230\354\227\264\354\237\201\354\235\264\354\225\274!!.md"
new file mode 100644
index 00000000..3c78cbd4
--- /dev/null
+++ "b/zinnnn37/202602/03 BOJ G5 \353\236\255\355\215\274\353\223\240 \354\210\230\354\227\264\354\237\201\354\235\264\354\225\274!!.md"	
@@ -0,0 +1,60 @@
+```java
+import java.io.*;
+import java.util.StringTokenizer;
+
+public class BJ_15918_랭퍼든_수열쟁이야 {
+
+    private static final BufferedReader  br = new BufferedReader(new InputStreamReader(System.in));
+    private static final BufferedWriter  bw = new BufferedWriter(new OutputStreamWriter(System.out));
+    private static       StringTokenizer st;
+
+    private static int n, x, y, fixed, ans;
+    private static int[] arr;
+
+    public static void main(String[] args) throws IOException {
+        init();
+        sol();
+    }
+
+    private static void init() throws IOException {
+        st = new StringTokenizer(br.readLine());
+        n = Integer.parseInt(st.nextToken());
+        x = Integer.parseInt(st.nextToken()) - 1;
+        y = Integer.parseInt(st.nextToken()) - 1;
+
+        arr = new int[2 * n];
+        fixed = y - x - 1;
+        arr[x] = arr[y] = fixed;
+    }
+
+    private static void sol() throws IOException {
+        rec(n);
+        bw.write(ans + "");
+        bw.flush();
+        bw.close();
+        br.close();
+    }
+
+    private static void rec(int num) {
+        if (num < 1) {
+            ans++;
+            return;
+        }
+
+        if (num == fixed) {
+            rec(num - 1);
+            return;
+        }
+
+        for (int idx = 0; idx < 2 * n; idx++) {
+            if (idx + num + 1 >= 2 * n || arr[idx] != 0 || arr[idx + num + 1] != 0) {
+                continue;
+            }
+            arr[idx] = arr[idx + num + 1] = num;
+            rec(num - 1);
+            arr[idx] = arr[idx + num + 1] = 0;
+        }
+    }
+
+}
+```
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