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1 files changed, 91 insertions, 0 deletions
| -rw-r--r-- | Classes/GradesBook(DynamicArray)/GradesBook.cpp | 91 |
diff --git a/Classes/GradesBook(DynamicArray)/GradesBook.cpp b/Classes/GradesBook(DynamicArray)/GradesBook.cpp new file mode 100644 index 0000000..0c04b83 --- /dev/null +++ b/Classes/GradesBook(DynamicArray)/GradesBook.cpp @@ -0,0 +1,91 @@ +#include "GradesBook.h"
+
+
+GradesBook::GradesBook()
+{
+ capacity = 4;
+ grades = new int[capacity];
+ size = 0;
+}
+GradesBook::GradesBook(const GradesBook& other)
+{
+ cout << "Copy contr of GradesBook" << endl;
+ CopyFrom(other);
+}
+GradesBook& GradesBook::operator=(const GradesBook& other)
+{
+ if (this != &other)
+ {
+ Free();
+ CopyFrom(other);
+ }
+ return *this;
+}
+GradesBook::~GradesBook()
+{
+ Free();
+}
+
+
+void GradesBook::CopyFrom(const GradesBook& other)
+{
+ grades = new int[other.capacity];
+ for (int i = 0; i < other.size; i++)
+ grades[i] = other.grades[i];
+ capacity = other.capacity;
+ size = other.size;
+}
+void GradesBook::Free()
+{
+ delete[] grades;
+}
+
+
+bool GradesBook::isFull()
+{
+ return size == capacity;
+}
+void GradesBook::AddGrade(int grade)
+{
+ if (!isValidGrade(grade))
+ return;
+ if (isFull())
+ Resize();
+ grades[size++] = grade;
+
+}
+void GradesBook::Resize()
+{
+ int* temp = new int[capacity * 2];
+ for (int i = 0; i < size; i++)
+ temp[i] = grades[i];
+ capacity *= 2;
+ delete[] grades;
+ grades = temp;
+}
+void GradesBook::RemoveLastGrade()
+{
+ size--;
+}
+bool GradesBook::isValidGrade(int grade)
+{
+ return (grade >= 2 && grade <= 6);
+}
+int GradesBook::operator[](int index) const
+{
+ if (index < 0 || index >= size)
+ return -1;
+ return grades[index];
+}
+
+ostream& operator<<(ostream& stream, GradesBook& obj)
+{
+ for (int i = 0; i < obj.capacity; i++)
+ {
+ if (i < obj.size)
+ stream << obj.grades[i] << ' ';
+ else
+ stream << '_' << ' ';
+ }
+ return stream;
+}
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