Merge pull request #9354 from deadmarshal/TWC250_extra

Extra solutions for TWC250

2 files changed, 52 insertions, 0 deletions

diff --git a/challenge-250/deadmarshal/java/Ch1.java b/challenge-250/deadmarshal/java/Ch1.java
new file mode 100644
index 0000000000..2a9612e4b9
--- /dev/null
+++ b/challenge-250/deadmarshal/java/Ch1.java
@@ -0,0 +1,19 @@
+import java.util.ArrayList;
+import java.util.List;
+
+public class Ch1 {
+  public static void main(String[] args) {
+    ArrayList<Integer> list1 = new ArrayList<>(List.of(0,1,2));
+    ArrayList<Integer> list2 = new ArrayList<>(List.of(4,3,2,1));
+    ArrayList<Integer> list3 = new ArrayList<>(List.of(1,2,3,4,5,6,7,8,9,0));
+    System.out.println(smallest_index(list1));
+    System.out.println(smallest_index(list2));
+    System.out.println(smallest_index(list3));
+  }
+	
+  private static int smallest_index(List<Integer> list) {
+    for(int i = 0; i < list.size(); ++i) if(i % 10 == list.get(i)) return i;
+    return -1;
+  }
+}
+
diff --git a/challenge-250/deadmarshal/java/Ch2.java b/challenge-250/deadmarshal/java/Ch2.java
new file mode 100644
index 0000000000..a5a286d6b2
--- /dev/null
+++ b/challenge-250/deadmarshal/java/Ch2.java
@@ -0,0 +1,33 @@
+import java.util.ArrayList;
+import java.util.List;
+import java.lang.Integer;
+
+public class Ch2 {
+  public static void main(String[] args) {
+    ArrayList<String> list1 =
+	new ArrayList<>(List.of("perl","2","000","python","r4ku"));
+    ArrayList<String> list2 =
+	new ArrayList<>(List.of("001","1","000","0001"));
+    System.out.println(alphanumeric_string_value(list1));
+    System.out.println(alphanumeric_string_value(list2));
+  }
+
+  private static boolean is_numeric(String str) {
+    try {
+	Integer.parseInt(str);  
+	return true;
+    } catch(NumberFormatException e) {
+	return false;
+    }  
+  }
+    
+  private static int alphanumeric_string_value(List<String> list) {
+    int max = 0;
+    for(var e : list){
+      int n = is_numeric(e) ? Integer.parseInt(e) : e.length();
+      if(n > max) max = n;
+    }
+    return max;
+  }
+} 
+