TWC329

1 files changed, 27 insertions, 0 deletions

diff --git a/challenge-329/deadmarshal/java/Ch1.java b/challenge-329/deadmarshal/java/Ch1.java
new file mode 100644
index 0000000000..b2302f5c4a
--- /dev/null
+++ b/challenge-329/deadmarshal/java/Ch1.java
@@ -0,0 +1,27 @@
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+public class Ch1 {
+  public static void main(String[] args) {
+    System.out.println(counter_integers("the1weekly2challenge2"));
+    System.out.println(counter_integers("go21od1lu5c7k"));
+    System.out.println(counter_integers("4p3e2r1l"));
+  }
+
+  private static List<String> counter_integers(String word) {
+    Set<String> s = new HashSet<>();
+    int n = word.length();
+    for (int i = 0; i < n; ++i) {
+      if (Character.isDigit(word.charAt(i))) {
+        while ((i < n) && (word.charAt(i) == '0')) ++i;
+        int j = i;
+        while ((j < n) && (Character.isDigit(word.charAt(j)))) ++j;
+        s.add(word.substring(i, j));
+        i = j;
+      }
+    }
+    return s.stream().toList();
+  }
+}
+