diff --git a/.gitignore b/.gitignore
index f68d109..72e2aef 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,4 +26,7 @@ bin/
 .vscode/
 
 ### Mac OS ###
-.DS_Store
\ No newline at end of file
+.DS_Store
+
+Main.kt
+.idea/
\ No newline at end of file
diff --git a/src/JavaDoubao/XtoY.java b/src/JavaDoubao/XtoY.java
deleted file mode 100644
index 63490db..0000000
--- a/src/JavaDoubao/XtoY.java
+++ /dev/null
@@ -1,43 +0,0 @@
-package JavaDoubao;
-import java.util.ArrayList;
-
-public class XtoY {
-
-
-    public static class Main {
-        public static int solution(int xPosition, int yPosition) {
-            // Please write your code here
-            int diff = Math.abs(yPosition -xPosition);
-            int gone = 1;
-            ArrayList<Integer> steps = new ArrayList<>();
-            steps.add(1);
-            int lastStep = 1;
-
-            while (gone < diff/2) {
-                lastStep += 1;
-                gone += lastStep;
-                steps.add(lastStep);
-            }
-
-            if (gone*2 == diff){
-
-            }
-
-
-
-            for (Integer steps2 : steps) {
-                System.out.printf("%d,",steps2);
-            }
-            System.out.println("Result");
-
-            return steps.size();
-        }
-
-        public static void main(String[] args) {
-            // You can add more test cases here
-//            System.out.println(solution(12, 6));
-            System.out.println(solution(34, 45));
-            System.out.println(solution(50, 30));
-        }
-    }
-}