Merge pull request #5161 from Abigail/abigail/week-137

Abigail/week 137

1 files changed, 34 insertions, 0 deletions

diff --git a/challenge-137/abigail/java/ch-2.java b/challenge-137/abigail/java/ch-2.java
new file mode 100644
index 0000000000..20b8034d2b
--- /dev/null
+++ b/challenge-137/abigail/java/ch-2.java
@@ -0,0 +1,34 @@
+//
+// See ../README.md
+//
+
+//
+// Run as: ln ch-2.java ch2.java; javac ch2.java; java ch2 < input-file
+//
+
+import java.util.*;
+
+public class ch2 {
+    static int reverse (int num) {
+        int rev = 0;
+        while (num > 0) {
+            rev *= 10;
+            rev += num % 10;
+            num /= 10;
+        }
+        return (rev);
+    }
+
+    static int ly (int n) {
+        return n >= 10000000    ? 1
+             : n == reverse (n) ? 0
+             : ly (n + reverse (n));
+    }
+
+    public static void main (String [] args) {
+        Scanner scanner = new Scanner (System . in);
+        while (scanner . hasNextInt ()) {
+            System . out . println (ly (scanner . nextInt ()));
+        }
+    }
+}