1 files changed, 33 insertions, 0 deletions
diff --git a/challenge-207/deadmarshal/cpp/ch-1.cpp b/challenge-207/deadmarshal/cpp/ch-1.cpp
new file mode 100644
index 0000000000..e778f5824b
--- /dev/null
+++ b/challenge-207/deadmarshal/cpp/ch-1.cpp
@@ -0,0 +1,33 @@
+#include<iostream>
+#include<string>
+#include<vector>
+#include<algorithm>
+
+bool all_match(const std::string &s1, const std::string &s2)
+{
+  for(auto &c : s1) if(s2.find(c) == std::string::npos) return false;
+  return true;
+}
+
+void keyboard_word(std::vector<std::string> &vec)
+{
+  const std::vector<std::string>
+    qwerty{"qwertyuiop","asdfghjkl","zxcvbnm"}; 
+  for(auto &s : vec)
+    std::transform(s.begin(),s.end(),s.begin(),
+		   [](unsigned char c){return std::tolower(c);});
+  for(const auto &q : qwerty)
+    for(const auto &s : vec)
+      if(all_match(s,q)) std::cout << s << ' ';
+  std::cout << '\n';
+}
+
+int main()
+{
+  std::vector<std::string> vec1{"Hello","Alaska","Dad","Peace"},
+    vec2{"OMG","Bye"};
+  keyboard_word(vec1);
+  keyboard_word(vec2);
+  return 0;
+}
+