Merge pull request #1329 from AlgorithmWithGod/JHLEE325

[20251106] BOJ / G6 / 하노이 탑 / 이준희

Author: ShinHeeEul

JHLEE325/202511/06 BOJ G5 하노이 탑.md

@@ -0,0 +1,33 @@
+```java
+import java.io.*;
+import java.math.BigInteger;
+import java.util.*;
+
+public class Main {
+    static StringBuilder sb = new StringBuilder();
+
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        int N = Integer.parseInt(br.readLine());
+
+        BigInteger moves = BigInteger.ONE.shiftLeft(N).subtract(BigInteger.ONE);
+        sb.append(moves).append("\n");
+
+        if (N <= 20) {
+            hanoi(N, 1, 3, 2);
+        }
+
+        System.out.println(sb.toString());
+    }
+
+    static void hanoi(int n, int from, int to, int temp) {
+        if (n == 1) {
+            sb.append(from).append(" ").append(to).append("\n");
+            return;
+        }
+        hanoi(n - 1, from, temp, to);
+        sb.append(from).append(" ").append(to).append("\n");
+        hanoi(n - 1, temp, to, from);
+    }
+}
+```