View difference between Paste ID: msfJQXmP and SzhD5Jx1

 // Author : Saurav Kalsoor
-// Robot - JAVA
+// Robot - KOTLIN
 
-import java.util.*;
+import java.util.*
 
-public class Test {
+var sc: Scanner = Scanner(System.`in`)
-    static Scanner sc = new Scanner(System.in);
+
-    public static void main(String[] args) {
+fun main() {
-        int n = sc.nextInt();
+    val n: Int = sc.nextInt()
-        int x = sc.nextInt();
+    val x: Int = sc.nextInt()
-        int y = sc.nextInt();
+    val y: Int = sc.nextInt()
     val arr = ArrayList<Int>()
-        ArrayList<Integer> arr = new ArrayList<>();
+    for (i in 0 until n) {
-		for(int i = 0;i < n; i++){
+        arr.add(sc.nextInt())
-			arr.add(sc.nextInt());
+
-		}
+    robot(arr, x, y)
-		robot(arr, x, y);
+
 
 fun robot(moves: ArrayList<Int>, x: Int, y: Int) {
-    public static void robot(ArrayList<Integer> moves, int x, int y) {
+    val set = HashSet<String>()
-        HashSet<String> set = new HashSet<>();
+    set.add("0 0")
-        set.add("0 0");
+    var x_dir = 0
     var y_dir = 0
-        int x_dir = 0, y_dir = 0, x_val = 0, y_val = 0;
+    var x_val = 0
-        for(int i = 0;i < moves.size(); i++){
+    var y_val = 0
-            switch(moves.get(i)){
+    var i = 0
-                case 0:
+    while (i < moves.size) {
-                    x_dir = 0;
+        when (moves[i]) {
-                    y_dir = 1;
+            0 -> {
-                    break;
+                x_dir = 0
-                case 2:
+                y_dir = 1
-                    x_dir = 0;
+
-                    y_dir = -1;
+            2 -> {
-                    break;
+                x_dir = 0
-                case 1:
+                y_dir = -1
-                    x_dir = 1;
+
-                    y_dir = 0;
+            1 -> {
-                    break;
+                x_dir = 1
-                case 3:
+                y_dir = 0
-                    x_dir = -1;
+
-                    y_dir = 0;
+            3 -> {
-                    break;
+                x_dir = -1
                 y_dir = 0
-            x_val += x_dir;
+
-            y_val += y_dir;
+
-            if(set.contains(x_val + " " + y_val)){
+        x_val += x_dir
-                i--;
+        y_val += y_dir
-            }else{
+        if (set.contains("$x_val $y_val")) {
-                set.add(x_val + " " + y_val);
+            i--
         } else {
             set.add("$x_val $y_val")
-
+
-        System.out.println((x_val + x) + " " + (y_val + y));
+        i++
     }
-
+    println((x_val + x).toString() + " " + (y_val + y))
 }