From 3ba0c94f9ef91d6320eb1091688882ae85cbad62 Mon Sep 17 00:00:00 2001
From: Syndamia <kamen.d.mladenov@protonmail.com>
Date: Tue, 22 Feb 2022 22:00:13 +0200
Subject: Added today's oop practice

---
 .../01-Practice-22.02.2022.cpp                     | 131 +++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 Year 1/Object-oriented Programming/01-Practice-22.02.2022.cpp

(limited to 'Year 1/Object-oriented Programming')

diff --git a/Year 1/Object-oriented Programming/01-Practice-22.02.2022.cpp b/Year 1/Object-oriented Programming/01-Practice-22.02.2022.cpp
new file mode 100644
index 0000000..e037f37
--- /dev/null
+++ b/Year 1/Object-oriented Programming/01-Practice-22.02.2022.cpp	
@@ -0,0 +1,131 @@
+#include <iostream>
+
+// Source: https://github.com/triffon/oop-2021-22/blob/main/practicum/6/week1/%D0%A1%D1%82%D1%80%D1%83%D0%BA%D1%82%D1%83%D1%80%D0%B8.%20%D0%94%D0%B5%D0%BA%D0%B0%D0%BB%D1%80%D0%B0%D1%86%D0%B8%D1%8F%20%D0%B8%20%D0%B8%D0%B7%D0%BF%D0%BE%D0%BB%D0%B7%D0%B2%D0%B0%D0%BD%D0%B5%20%D0%BD%D0%B0%20%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%82%D1%83%D1%80%D0%B8..pdf
+
+// Ex 1
+
+struct comp { // a + b * i
+    double a;
+    double b;
+};
+
+comp sum(comp x, comp y) {
+    return { x.a + y.a, x.b + y.b };
+}
+
+void printComp(comp x) {
+    std::cout << x.a << " + " << x.b << " * i";
+}
+
+void ex1() {
+    comp first = { 3, 5 };
+    comp second = { 7, 25 };
+    printComp(sum(first, second));
+}
+
+// Ex 2
+
+struct Student {
+    int fn;
+    int course;
+    int grade;
+};
+
+Student initStudent(int fn, int course, int grade) {
+    return { fn, course, grade };
+}
+
+void printStudent(const Student& st) {
+    std::cout << "FN: " << st.fn << ";COURSE: " << st.course << ";GRADE: " << st.grade << std::endl;
+}
+
+void ex2() {
+    Student gosho = initStudent(12345, 1, 7);
+    printStudent(gosho);
+}
+
+// Ex 3
+
+struct StudentList {
+    Student * students;
+    int size;
+};
+
+struct Group {
+    StudentList students;
+    int avgGrade;
+};
+
+Group cinGroup() {
+    int n;
+    std::cin >> n;
+    Student* students = new Student[n];
+
+    int gradeSum = 0;
+    for (int i = 0; i < n; i++) {
+        std::cin >> students[i].fn >> students[i].course >> students[i].grade;
+        gradeSum += students[i].grade;
+    }
+    return { { students, n }, gradeSum / n };
+}
+
+int countScolarship(const Group& gr, int minGrade) {
+    int count = 0;
+    for (int i = 0; i < gr.students.size; i++)
+        if (gr.students.students[i].grade >= minGrade) count++;
+    return count;
+}
+
+void ex3() {
+    Group ourGroup = cinGroup();
+
+    int minGrade;
+    std::cin >> minGrade;
+    std::cout << countScolarship(ourGroup, minGrade) << std::endl;
+
+    delete[] ourGroup.students.students;
+}
+
+// Ex 4
+
+void orderByGrades(const StudentList& sl) {
+    for (int i = 0, minInd = i; i < sl.size; i++, minInd = i) {
+        for (int j = i; j < sl.size; j++) {
+            if (sl.students[j].grade > sl.students[minInd].grade)
+                minInd = j;
+        }
+
+        Student temp = sl.students[i];
+        sl.students[i] = sl.students[minInd];
+        sl.students[minInd] = temp;
+    }
+}
+
+StudentList scolarshipStudents(const Group& gr, int scolarshipGrade) {
+    StudentList res = { new Student[gr.students.size], gr.students.size };
+    int ind = 0;
+    for (int i = 0; i < gr.students.size; i++)
+        if (gr.students.students[i].grade >= scolarshipGrade)
+            res.students[ind++] = gr.students.students[i];
+    res.size = ind;
+    return res;
+}
+
+void ex4() {
+    Group ourGroup = cinGroup();
+    int scolarshipGrade;
+    std::cin >> scolarshipGrade;
+
+    StudentList withScolarship = scolarshipStudents(ourGroup, scolarshipGrade);
+    orderByGrades(withScolarship);
+
+    for (int i = 0; i < withScolarship.size; i++)
+        printStudent(withScolarship.students[i]);
+
+    delete[] ourGroup.students.students;
+    delete[] withScolarship.students;
+}
+
+int main() {
+    ex4();
+}
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