feat(Week05): Add solutions

1 files changed, 88 insertions, 0 deletions

diff --git a/Week05/Exercise01/NumSeries.cpp b/Week05/Exercise01/NumSeries.cpp
new file mode 100644
index 0000000..be8c816
--- /dev/null
+++ b/Week05/Exercise01/NumSeries.cpp
@@ -0,0 +1,88 @@
+#include "NumSeries.h"
+#include <cmath>
+
+void NumSeries::free() {
+	delete[] numbers;
+}
+
+void NumSeries::copyFrom(const NumSeries& other) {
+	allocated = other.allocated;
+	size = other.size;
+
+	numbers = new double[allocated];
+	for (unsigned i = 0; i < size; ++i)
+		numbers[i] = other.numbers[i];
+}
+
+void NumSeries::resize() {
+	allocated *= 2;
+
+	double* newNumbers = new double[allocated];
+	for (unsigned i = 0; i < size; ++i)
+		newNumbers[i] = numbers[i];
+
+	delete[] numbers;
+	numbers = newNumbers;
+}
+
+NumSeries::NumSeries() {
+	numbers = nullptr;
+	allocated = size = 0;
+}
+
+NumSeries::~NumSeries() {
+	free();
+}
+
+NumSeries::NumSeries(const NumSeries& other) {
+	copyFrom(other);
+}
+
+NumSeries& NumSeries::operator=(const NumSeries& other) {
+	if (this != &other) {
+		free();
+		copyFrom(other);
+	}
+	return *this;
+}
+
+NumSeries::NumSeries(NumSeries&& other) {
+	numbers = other.numbers;
+	allocated = other.allocated;
+	size = other.size;
+
+	other.numbers = nullptr;
+	other.allocated = 0;
+	other.size = 0;
+}
+
+NumSeries& NumSeries::operator=(NumSeries&& other) {
+	if (this != &other) {
+		free();
+
+		numbers = other.numbers;
+		allocated = other.allocated;
+		size = other.size;
+
+		other.numbers = nullptr;
+		other.allocated = 0;
+		other.size = 0;
+	}
+	return *this;
+}
+
+void NumSeries::Push(double element) {
+	if (size >= allocated)
+		resize();
+	numbers[size++] = element;
+}
+
+double NumSeries::At(unsigned index) const {
+	if (index >= size)
+		return NAN;
+	return numbers[index];
+}
+
+unsigned NumSeries::Length() const {
+	return size;
+}