1 files changed, 30 insertions, 0 deletions
diff --git a/challenge-250/deadmarshal/cpp/ch-2.cpp b/challenge-250/deadmarshal/cpp/ch-2.cpp
new file mode 100644
index 0000000000..0b87ec93b6
--- /dev/null
+++ b/challenge-250/deadmarshal/cpp/ch-2.cpp
@@ -0,0 +1,30 @@
+#include<iostream>
+#include<vector>
+
+bool is_numeric(const std::string &str)
+{
+  for(const auto& c : str) if(!isdigit(c)) return false;
+  return true;
+}
+
+template<typename T>
+size_t alphanumeric_string_value(const std::vector<T> &vec)
+{
+  size_t max{};
+  for(auto & e : vec)
+  {
+    size_t n = is_numeric(e) ? std::stoi(e) : e.size();
+    if(n > max) max = n;
+  }
+  return max;
+}
+
+int main()
+{
+  std::vector<std::string> vec1{"perl","2","000","python","r4ku"},
+    vec2{"001","1","000","0001"};
+  std::cout << alphanumeric_string_value<std::string>(vec1) << '\n'
+	    << alphanumeric_string_value<std::string>(vec2) << '\n';
+  return 0;
+}
+