TWC235

2 files changed, 40 insertions, 0 deletions

diff --git a/challenge-235/deadmarshal/ruby/ch1.rb b/challenge-235/deadmarshal/ruby/ch1.rb
new file mode 100644
index 0000000000..0fa090b488
--- /dev/null
+++ b/challenge-235/deadmarshal/ruby/ch1.rb
@@ -0,0 +1,25 @@
+#!/usr/bin/env ruby
+
+def remove_one(arr)
+  c1,c2,idx1,idx2 = 0,0,-1,-1
+  (1..arr.length()-1).each do |i|
+    if arr[i] <= arr[i-1]
+      c1 += 1
+      idx1 = i-1
+    end
+  end
+  (1..arr.length()-2).to_a.reverse.each do |i|
+    if arr[i] <= arr[i-1]
+      c2 += 1
+      idx1 = i+1
+    end
+  end
+  return true if c1 == 1 && c2 == 1 && idx2 - idx1 + 1 == 2
+  return false if c1 > 1 || c2 > 1
+  return true
+end
+
+p remove_one([0,2,9,4,5])
+p remove_one([5,1,3,2])
+p remove_one([2,2,3])
+
diff --git a/challenge-235/deadmarshal/ruby/ch2.rb b/challenge-235/deadmarshal/ruby/ch2.rb
new file mode 100644
index 0000000000..6d067b5a89
--- /dev/null
+++ b/challenge-235/deadmarshal/ruby/ch2.rb
@@ -0,0 +1,15 @@
+#!/usr/bin/env ruby
+
+def duplicate_zeros(arr)
+  ret = []
+  for e in arr
+    break if ret.length() == arr.length()
+    e == 0 ? ret.push(0,0) : ret.push(e)
+  end
+  ret
+end
+
+p duplicate_zeros([1,0,2,3,0,4,5,0])
+p duplicate_zeros([1,2,3])
+p duplicate_zeros([0,3,0,4,5])
+