Merge pull request #11977 from deadmarshal/TWC320

TWC320

1 files changed, 25 insertions, 0 deletions

diff --git a/challenge-320/deadmarshal/java/Ch2.java b/challenge-320/deadmarshal/java/Ch2.java
new file mode 100644
index 0000000000..b2dfa8b596
--- /dev/null
+++ b/challenge-320/deadmarshal/java/Ch2.java
@@ -0,0 +1,25 @@
+public class Ch2 {
+  public static void main(String[] args) {
+    System.out.println(sum_difference(new int[]{1, 23, 4, 5}));
+    System.out.println(sum_difference(new int[]{1, 2, 3, 4, 5}));
+    System.out.println(sum_difference(new int[]{1, 2, 34}));
+  }
+
+  private static int sum_difference(int[] arr) {
+    int sum1 = 0, sum2 = 0;
+    for (int n : arr) {
+      sum1 += n;
+      sum2 += sum_digits(n);
+    }
+    return Math.abs(sum1 - sum2);
+  }
+
+  private static int sum_digits(int n) {
+    int sum = 0;
+    while (n != 0) {
+      sum += n % 10;
+      n /= 10;
+    }
+    return sum;
+  }
+}
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