diff --git "a/03do-new30/202503/05 BOJ G3 \354\235\264\354\247\204\355\212\270\353\246\254.md" "b/03do-new30/202503/05 BOJ G3 \354\235\264\354\247\204\355\212\270\353\246\254.md"
new file mode 100644
index 00000000..c80faead
--- /dev/null
+++ "b/03do-new30/202503/05 BOJ G3 \354\235\264\354\247\204\355\212\270\353\246\254.md"	
@@ -0,0 +1,33 @@
+```java
+import java.util.*;
+
+public class Main {
+    static int K;
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        long N = sc.nextLong();
+        K = sc.nextInt();
+        int Q = sc.nextInt();
+        for (int i = 0; i < Q; i++) {
+            long x = sc.nextLong() - 1;
+            long y = sc.nextLong() - 1;
+            if (K == 1) {
+                System.out.println(Math.abs(x - y));
+            } else {
+                int dist = 0;
+                while (x != y) {
+                    if (x < y) {
+                        y = (y - 1) / K; // y = y의 부모 노드
+                    } else {
+                        x = (x - 1) / K; // x = x의 부모 노드
+                    }
+                    dist++;
+                }
+                System.out.println(dist);
+            }
+        }
+        sc.close();
+    }
+}
+
+```