TWC304

1 files changed, 17 insertions, 0 deletions

diff --git a/challenge-304/deadmarshal/java/Ch2.java b/challenge-304/deadmarshal/java/Ch2.java
new file mode 100644
index 0000000000..4e28cacb96
--- /dev/null
+++ b/challenge-304/deadmarshal/java/Ch2.java
@@ -0,0 +1,17 @@
+public class Ch2 {
+  public static void main(String[] args) {
+    System.out.println(maximum_average(new int[]{1, 12, -5, -6, 50, 3}, 4));
+    System.out.println(maximum_average(new int[]{5}, 1));
+  }
+
+  private static double maximum_average(int[] nums, int n) {
+    double max = 0, avg;
+    for (int start = 0; start <= nums.length - n; ++start) {
+      double subsum = 0;
+      for (int i = start; i < start + n; ++i) subsum += nums[i];
+      avg = subsum / n;
+      if (avg > max) max = avg;
+    }
+    return max;
+  }
+}