TWC282

1 files changed, 22 insertions, 0 deletions

diff --git a/challenge-282/deadmarshal/java/Ch1.java b/challenge-282/deadmarshal/java/Ch1.java
new file mode 100644
index 0000000000..6267b38b6f
--- /dev/null
+++ b/challenge-282/deadmarshal/java/Ch1.java
@@ -0,0 +1,22 @@
+public class Ch1 {
+  public static void main(String[] args) {
+    System.out.println(good_integer(12344456));
+    System.out.println(good_integer(1233334));
+    System.out.println(good_integer(10020003));
+  }
+
+  private static String good_integer(int digit) {
+    String s = String.valueOf(digit);
+    char prev = Character.MIN_VALUE;
+    int seen = 0;
+    for (int i = 0; i < s.length(); ++i) {
+      if (prev == s.charAt(i)) seen++;
+      else if(seen == 3) return String.valueOf(prev).repeat(3);
+      else {
+        prev = s.charAt(i);
+        seen = 1;
+      }
+    }
+    return "-1";
+  }
+}