29/02/2024

.idea/workspace.xml

@@ -10,21 +10,8 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="42ed9a51-9564-48c5-b5fa-035301b1578d" name="Changes" comment="">
-      <change afterPath="$PROJECT_DIR$/_crashkurs/aletoric.py" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/_crashkurs/dialog.py" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/_crashkurs/epsilon.py" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/_crashkurs/eval.py" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/_crashkurs/image.py" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/_crashkurs/koko.jpg" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/_crashkurs/object.py" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/_crashkurs/race.py" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/_crashkurs/thread.py" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/_crashkurs/types.py" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/_pruefung/begriffe.txt" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/_pruefung/codings.cpp" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/_pruefung/pointers.cpp" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/ext_02/exercise.r" beforeDir="false" afterPath="$PROJECT_DIR$/ext_02/exercise.r" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/_pruefung/empty.txt" beforeDir="false" afterPath="$PROJECT_DIR$/_pruefung/plan.txt" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -249,6 +236,7 @@
       <workItem from="1709140615270" duration="595000" />
       <workItem from="1709203607737" duration="12075000" />
       <workItem from="1709233146285" duration="5114000" />
+      <workItem from="1709242307015" duration="45000" />
     </task>
     <servers />
   </component>

_pruefung/classes.cpp

@@ -0,0 +1,97 @@
+#include "iostream"
+#include "string"
+#include "vector"
+#include <numeric>
+
+class University;
+class UniMember {
+public:
+    University* uni;
+    std::string name;
+    int id;
+
+    UniMember(University* university, std::string name, int id) {
+        this->uni = university;
+        this->name = name;
+        this->id = id;
+    }
+};
+
+class UniWorker: public UniMember {
+public:
+    UniWorker(University* university, std::string name, int id)
+            : UniMember(university, name, id) {}
+
+};
+
+class UniStudent: public UniMember {
+public:
+    UniStudent(University* university, std::string name, int id)
+        : UniMember(university, name, id) {}
+
+    void evaluate_exam(double grade){
+        grades.push_back(grade);
+    }
+
+    double calc_avg(){
+        if(grades.empty()) return 0;
+        auto const count = static_cast<double>(grades.size());
+        return std::reduce(grades.begin(), grades.end()) / count;
+    }
+
+private:
+    std::vector <double> grades;
+};
+
+class University {
+public:
+    std::string name;
+    UniWorker* dean;
+
+    University(std::string name) {
+        this->name = name;
+    }
+
+    UniWorker* create_worker(std::string mem_name) {
+        int id = members.size() + 1;
+        UniWorker* worker = new UniWorker(this, mem_name, id);
+        members.push_back(worker);
+        return worker;
+    }
+
+    UniStudent* create_student(std::string mem_name) {
+        int id = members.size() + 1;
+        UniStudent* student = new UniStudent(this, mem_name, id);
+        members.push_back(student);
+        return student;
+    }
+
+    void elect_dean(UniWorker* worker) {
+        dean = worker;
+    }
+
+    int count_members() {
+        return members.size();
+    }
+private:
+    std::vector <UniMember*> members;
+};
+
+
+int main() {
+    University* trier = new University("Trier");
+    UniWorker* dean = trier->create_worker("Eva Eckkrammer");
+    trier->elect_dean(dean);
+    UniStudent* student = trier->create_student("Jan-Niclas Loosen");
+    student->evaluate_exam(1.3);
+    student->evaluate_exam(2.3);
+    student->evaluate_exam(1.3);
+    student->evaluate_exam(3.3);
+
+    std::cout << "Die Universitaet " << trier->name << " hat " << trier->count_members() << " Mitglieder." << std::endl;
+    std::cout << "Die Dekanin der Universitaet " << trier->name << " heisst " << trier->dean->name << "." << std::endl;
+    std::cout << student->name << " hat einen Notenschnitt von " << student->calc_avg() << "." << std::endl;
+}
+
+
+

_pruefung/empty.txt

@@ -1 +0,0 @@
-Ad astra per aspera.

_pruefung/plan.txt

@@ -0,0 +1,2 @@
+1. Begriffe durchgehen
+2. Nochmal C++ mit Pointern und so abchecken (Arrays vs. Vectors insbesondere)