Create BlackCard.java

Author: SedaKunda

Easy-Level/BlackCard.java

@@ -0,0 +1,29 @@
+import java.io.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+public class Main {	
+	public static void main (String[] args) throws IOException {
+        File file = new File(args[0]);
+        BufferedReader br = new BufferedReader(new FileReader(file));
+           String line;
+           while ((line = br.readLine()) != null) { 
+               String[] a = line.substring(0, line.length()-4).split(" ");
+               int b = Integer.parseInt(line.substring(line.length()-2).trim());
+               ArrayList<String> ai = new ArrayList<String>(Arrays.asList(a));
+               while (ai.size()>1) {
+            	   if (b>ai.size() && (b%ai.size()!=0)) {
+            	   ai.remove((b%ai.size()-1));
+            	   }
+            	   else if ((b%ai.size()==0)) {
+            		
+            		   ai.remove(ai.size()-1);
+            	   }
+            	   else {
+            		   ai.remove(b-1);
+            	   }
+               }
+               System.out.println(ai.get(0));
+           }         
+           br.close();
+	}
+}