TWC282

1 files changed, 20 insertions, 0 deletions

diff --git a/challenge-282/deadmarshal/cpp/ch-2.cpp b/challenge-282/deadmarshal/cpp/ch-2.cpp
new file mode 100644
index 0000000000..286b8d2dfc
--- /dev/null
+++ b/challenge-282/deadmarshal/cpp/ch-2.cpp
@@ -0,0 +1,20 @@
+#include<iostream>
+#include<string>
+#include<cctype>
+
+std::size_t changing_keys(const std::string &str)
+{
+  std::size_t count{};
+  for(std::size_t i = 1; i < str.size(); ++i)
+    if(tolower(str[i]) != tolower(str[i-1])) count++;
+  return count;
+}
+
+int main()
+{
+  std::cout << changing_keys("pPeERrLl") << '\n'
+	    << changing_keys("rRr") << '\n'
+	    << changing_keys("GoO") << '\n';
+  return 0;
+}
+