[w4] Solved exercises 1-5

1 files changed, 83 insertions, 0 deletions

diff --git a/week04/Exercise5.cpp b/week04/Exercise5.cpp
new file mode 100644
index 0000000..3dea0c6
--- /dev/null
+++ b/week04/Exercise5.cpp
@@ -0,0 +1,83 @@
+#include <cstring>
+
+struct TVProgram {
+private:
+	char name[1024];
+	unsigned beginTime;
+	unsigned endTime;
+
+	void copyFrom(const TVProgram& other) {
+		strncpy(this->name, other.name, 1024);
+		this->beginTime = other.beginTime;
+		this->endTime = other.endTime;
+	}
+
+public:
+	TVProgram() {
+		name[0] = '\0';
+		this->beginTime = this->endTime = 0;
+	}
+
+	TVProgram(const char* name, unsigned beginTime, unsigned endTime) {
+		strncpy(this->name, name, 1024);
+		this->beginTime = beginTime;
+		this->endTime = endTime;
+	}
+
+	TVProgram(const TVProgram& other) {
+		copyFrom(other);
+	}
+
+	TVProgram& operator=(const TVProgram& other) {
+		if (this != &other) {
+			copyFrom(other);
+		}
+		return *this;
+	}
+};
+
+struct TVChannel {
+private:
+	TVProgram* programs;
+	unsigned size;
+	unsigned lastFreeIndex;
+
+	void free() {
+		delete[] programs;
+	}
+
+	void resize() {
+		TVProgram* biggerArray = new TVProgram[size * 2];
+		for (int i = 0; i < size; i++) {
+			biggerArray[i] = programs[i]; // По копие, извиква се оператор=
+		}
+		delete[] programs;
+		programs = biggerArray;
+		size *= 2;
+	}
+
+public:
+	TVChannel() {
+		size = 1;
+		programs = new TVProgram[size];
+		lastFreeIndex = 0;
+	}
+	~TVChannel() {
+		free();
+	}
+
+	void AddChannel(TVProgram program) { // По копие, извиква се копиращ конструктор
+		if (lastFreeIndex == size) {
+			resize();
+		}
+
+		programs[lastFreeIndex++] = program; // По копие, извиква се оператор=
+	}
+};
+
+int main() {
+	TVChannel fmitv;
+	fmitv.AddChannel(TVProgram("Object-oriented programming", 900, 1200));
+	fmitv.AddChannel(TVProgram("Geometry", 1315, 1600));
+	fmitv.AddChannel(TVProgram("English", 1600, 1755));
+}