Merge remote-tracking branch 'upstream/master'

2 files changed, 52 insertions, 0 deletions

diff --git a/challenge-194/deadmarshal/cpp/ch-1.cpp b/challenge-194/deadmarshal/cpp/ch-1.cpp
new file mode 100644
index 0000000000..c8e953dcbc
--- /dev/null
+++ b/challenge-194/deadmarshal/cpp/ch-1.cpp
@@ -0,0 +1,28 @@
+#include<iostream>
+#include<string>
+#include<regex>
+
+unsigned short digital_clock(const std::string &str)
+{
+  std::regex re{"(.)(.):(.)(.)"};
+  std::smatch m;
+  if (std::regex_match(str, m, re))
+  {
+    return m[1] == '?' ? (std::stoi(m.str(2)) < 4 ? 2 : 1)
+      : m[2] == '?' ? (std::stoi(m.str(1)) < 2 ? 9 : 3)
+      : m[3] == '?' ? 5 : 9;
+  }
+  return 0;
+}
+
+int main()
+{
+  std::cout << digital_clock("?5:00") << '\n';
+  std::cout << digital_clock("?3:00") << '\n';
+  std::cout << digital_clock("1?:00") << '\n';
+  std::cout << digital_clock("2?:00") << '\n';
+  std::cout << digital_clock("12:?5") << '\n';
+  std::cout << digital_clock("12:5?") << '\n'; 
+  return 0;
+}
+	 
diff --git a/challenge-194/deadmarshal/cpp/ch-2.cpp b/challenge-194/deadmarshal/cpp/ch-2.cpp
new file mode 100644
index 0000000000..8eaf52a1d8
--- /dev/null
+++ b/challenge-194/deadmarshal/cpp/ch-2.cpp
@@ -0,0 +1,24 @@
+#include<iostream>
+#include<vector>
+#include<string>
+#include<unordered_map>
+#include<algorithm>
+
+bool frequency_equalizer(const std::string &str)
+{
+  std::unordered_map<char,unsigned> m{};
+  std::vector<unsigned> vals{};
+  for(const auto &c : str) m[c]++;
+  for(const auto& kv : m) vals.push_back(kv.second);
+  std::sort(vals.begin(),vals.end(),std::greater<>());
+  if((vals[0] == vals[1]+1) && (vals.back() == vals[1])) return true;
+  return false;
+}
+
+int main()
+{
+  std::cout << std::boolalpha << frequency_equalizer("abbc")<< '\n';
+  std::cout << std::boolalpha << frequency_equalizer("xyzyyxz")<<'\n';
+  std::cout << std::boolalpha << frequency_equalizer("xzxz")<< '\n';
+  return 0;
+}