Mislav Markovic

exercise/01/containers.cpp

@@ -0,0 +1,65 @@
+#include "containers.h"
+#include <unordered_set>
+#include <locale>
+
+
+namespace
+{
+  std::wstring to_lower(std::wstring const& s)
+  {
+    std::wstring ret{};
+    for (auto& chr : s) ret += towlower(chr);
+    return ret;
+  }
+}
+
+void remove_element(std::vector<int>& v, const int index)
+{
+  v.erase(v.cbegin() + index);
+}
+
+void input_element(std::vector<std::wstring>& v, const int index, const std::wstring& value)
+{
+  v.insert(v.cbegin() + index, value);
+}
+
+int list_nth_element(const std::list<int>& c, const int index)
+{
+  auto it = c.cbegin();
+  std::advance(it, index);
+  return *it;
+}
+
+void list_sort_desc(std::list<int>& c)
+{
+  c.sort(std::greater<>());
+}
+
+int unique_numbers(std::wistream& ins)
+{
+  std::unordered_set<int> set{};
+  int n{};
+
+  while (ins >> n) set.emplace(n);
+  return set.size();
+}
+
+word_frequency::word_frequency(std::wistream& in)
+{
+  std::wstring s{};
+  while (in >> s)
+  {
+    freq_[to_lower(s)] += 1;
+  }
+}
+
+int word_frequency::frequency(const std::wstring& s)
+{
+  const auto find_s = freq_.find(to_lower(s));
+  return find_s != freq_.end() ? find_s->second : 0;
+}
+
+int word_frequency::count() const noexcept
+{
+  return freq_.size();
+}

exercise/01/containers.h

@@ -2,6 +2,7 @@
 #include <string>
 #include <vector>
 #include <list>
+#include <map>
 
 void remove_element(std::vector<int>& v, int index);
 void input_element(std::vector<std::wstring>& v, int index, const std::wstring& value);
@@ -13,8 +14,10 @@ int unique_numbers(std::wistream&);
 
 class word_frequency
 {
+private:
+  std::map<std::wstring, unsigned int> freq_;
 public:
-	word_frequency(std::wistream&);
+  explicit word_frequency(std::wistream&);
 	int frequency(const std::wstring& s);
-	int count();
+	int count() const noexcept;
 };

exercise/01/e01.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.28010.2050
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "e01", "e01.vcxproj", "{DD752318-EA08-4316-9EFE-C1A42F5526F4}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x86 = Debug|x86
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{DD752318-EA08-4316-9EFE-C1A42F5526F4}.Debug|x86.ActiveCfg = Debug|Win32
+		{DD752318-EA08-4316-9EFE-C1A42F5526F4}.Debug|x86.Build.0 = Debug|Win32
+		{DD752318-EA08-4316-9EFE-C1A42F5526F4}.Release|x86.ActiveCfg = Release|Win32
+		{DD752318-EA08-4316-9EFE-C1A42F5526F4}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {705A05C1-6D84-4F05-8B4D-E9EA3B8FE694}
+	EndGlobalSection
+EndGlobal