From 75da4fb100440b1c07c703b825ab6cdc87587461 Mon Sep 17 00:00:00 2001
From: Dmitry Kokorin <dmitry@kokorin.org>
Date: Mon, 7 Mar 2016 22:14:50 +0300
Subject: [PATCH] etl: iteration 1

---
 cpp/etl/etl.cpp | 20 ++++++++++++++++++++
 cpp/etl/etl.h   | 15 +++++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100644 cpp/etl/etl.cpp
 create mode 100644 cpp/etl/etl.h

diff --git a/cpp/etl/etl.cpp b/cpp/etl/etl.cpp
new file mode 100644
index 0000000..a98ccd8
--- /dev/null
+++ b/cpp/etl/etl.cpp
@@ -0,0 +1,20 @@
+#include "etl.h"
+
+#include <cctype>
+
+namespace etl {
+
+using namespace std;
+
+new_score_t transform(const old_score_t &input)
+{
+    new_score_t result;
+
+    for (auto pair : input)
+        for (auto c : pair.second)
+            result[tolower(c)] = pair.first;
+
+    return result;
+}
+
+}
diff --git a/cpp/etl/etl.h b/cpp/etl/etl.h
new file mode 100644
index 0000000..25bfe06
--- /dev/null
+++ b/cpp/etl/etl.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#define EXERCISM_RUN_ALL_TESTS
+
+#include <map>
+#include <vector>
+
+namespace etl {
+
+typedef std::map<int, std::vector<char>> old_score_t;
+typedef std::map<char, int>              new_score_t;
+
+new_score_t transform(const old_score_t&);
+
+}