2 files changed, 78 insertions, 0 deletions
diff --git a/challenge-241/deadmarshal/cpp/ch-1.cpp b/challenge-241/deadmarshal/cpp/ch-1.cpp
new file mode 100644
index 0000000000..54f493de8c
--- /dev/null
+++ b/challenge-241/deadmarshal/cpp/ch-1.cpp
@@ -0,0 +1,30 @@
+#include<iostream>
+#include<vector>
+
+template<typename T>
+size_t arithmetic_triplets(const std::vector<T> &vec,T diff)
+{
+  size_t count{};
+  for(size_t i = 0; i < vec.size(); ++i)
+  {
+    for(size_t j = i+1; j < vec.size(); ++j)
+    {
+      for(size_t k = j+1; k < vec.size(); ++k)
+      {
+	if((vec.at(j) - vec.at(i) == diff) &&
+	   (vec.at(k) - vec.at(j) == diff))
+	  count++;
+      }
+    }
+  }
+  return count;
+}
+
+int main(void)
+{
+  std::vector<int> vec1{0,1,4,6,7,10},vec2{4,5,6,7,8,9};
+  std::cout << arithmetic_triplets<int>(vec1,3) << '\n'
+	    << arithmetic_triplets<int>(vec2,2) << '\n';
+  return 0;
+}
+
diff --git a/challenge-241/deadmarshal/cpp/ch-2.cpp b/challenge-241/deadmarshal/cpp/ch-2.cpp
new file mode 100644
index 0000000000..b53ab789cb
--- /dev/null
+++ b/challenge-241/deadmarshal/cpp/ch-2.cpp
@@ -0,0 +1,48 @@
+#include<iostream>
+#include<vector>
+#include<algorithm>
+
+template<typename T>
+size_t count_factors(T n)
+{
+  size_t count{};
+  T c = 2;
+  while(n > 1)
+  {
+    if(n % c == 0)
+    {
+      n /= c;
+      count++;
+    }
+    else c++;
+  }
+  return count;
+}
+
+template<typename T>
+void prime_order(std::vector<T> &vec)
+{
+  std::sort(vec.begin(),vec.end(),[&](T a, T b){
+    size_t fa = count_factors<T>(a);
+    size_t fb = count_factors<T>(b);
+    return fa == fb ? a < b : fa < fb;
+  });
+}
+
+template<typename T>
+std::ostream &operator<<(std::ostream &os,
+			 const std::vector<T>& vec)
+{
+  for(const auto &e : vec) os << e << ' ';
+  os << "\n";
+  return os;
+}
+
+int main()
+{
+  std::vector<int> vec{11,8,27,4};
+  prime_order<int>(vec);
+  std::cout << vec;
+  return 0;
+}
+