TWC243 extra solutions

2 files changed, 30 insertions, 0 deletions

diff --git a/challenge-243/deadmarshal/ruby/ch1.rb b/challenge-243/deadmarshal/ruby/ch1.rb
new file mode 100644
index 0000000000..cfc0a26c39
--- /dev/null
+++ b/challenge-243/deadmarshal/ruby/ch1.rb
@@ -0,0 +1,15 @@
+#!/usr/bin/env ruby
+
+def reverse_pairs(arr)
+  count = 0
+  (0...arr.length-1).each do |i|
+    (i+1...arr.length).each do |j|
+      count += 1 if arr[i] > (2 * arr[j])
+    end
+  end
+  return count
+end
+
+p reverse_pairs([1,3,2,3,1])
+p reverse_pairs([2,4,3,5,1])
+
diff --git a/challenge-243/deadmarshal/ruby/ch2.rb b/challenge-243/deadmarshal/ruby/ch2.rb
new file mode 100644
index 0000000000..8f6fd403ef
--- /dev/null
+++ b/challenge-243/deadmarshal/ruby/ch2.rb
@@ -0,0 +1,15 @@
+#!/usr/bin/env ruby
+
+def floor_sum(arr)
+  sum = 0
+  (0...arr.length).each do |i|
+    (0...arr.length).each do |j|
+      sum += (arr[i] / arr[j])
+    end
+  end
+  return sum
+end
+
+p floor_sum([2,5,9])
+p floor_sum([7,7,7,7,7,7,7])
+