Create Robot Detector.java

Author: Sushank34

Codechef/LTIME88B/Robot Detector.java

@@ -0,0 +1,93 @@
+import java.util.*;
+import java.lang.*;
+import java.io.*;
+
+class Codechef
+{
+    static class FastReader 
+    { 
+        BufferedReader br; 
+        StringTokenizer st; 
+  
+        public FastReader() 
+        { 
+            br = new BufferedReader(new
+                     InputStreamReader(System.in)); 
+        } 
+  
+        String next() 
+        { 
+            while (st == null || !st.hasMoreElements()) 
+            { 
+                try
+                { 
+                    st = new StringTokenizer(br.readLine()); 
+                } 
+                catch (IOException  e) 
+                { 
+                    e.printStackTrace(); 
+                } 
+            } 
+            return st.nextToken(); 
+        } 
+  
+        int nextInt() 
+        { 
+            return Integer.parseInt(next()); 
+        } 
+  
+        long nextLong() 
+        { 
+            return Long.parseLong(next()); 
+        } 
+  
+        double nextDouble() 
+        { 
+            return Double.parseDouble(next()); 
+        } 
+  
+        String nextLine() 
+        { 
+            String str = ""; 
+            try
+            { 
+                str = br.readLine(); 
+            } 
+            catch (IOException e) 
+            { 
+                e.printStackTrace(); 
+            } 
+            return str; 
+        } 
+    } 
+	public static void main (String[] args) throws java.lang.Exception
+	{
+		// your code goes here
+		FastReader sc=new FastReader();
+		int x=sc.nextInt();
+		int y=sc.nextInt();
+		String s="U";
+		for(int j=1;j<=x;j++) {
+			if(j%2==0) {
+				s=s+"D";
+				for(int i=1;i<y;i++) {
+					s=s+"L";
+				}
+				s=s+"U";
+				
+			}
+			else {
+			    if(j!=1){
+			        s=s+"D";
+			    }
+				for(int i=1;i<y;i++) {
+					s=s+"R";
+				}
+				if(j!=1){
+				    s=s+"U";
+				}
+			}
+		}
+		System.out.println(s);
+	}
+}