1 files changed, 120 insertions, 0 deletions
diff --git a/week02/Exercise4.cpp b/week02/Exercise4.cpp
new file mode 100644
index 0000000..c2d6d75
--- /dev/null
+++ b/week02/Exercise4.cpp
@@ -0,0 +1,120 @@
+struct Material {
+	int id;
+	int startingType;
+	int endingType;
+};
+
+struct MaterialArray {
+private:
+	Material* elems;
+	int size;
+	int last;
+
+public:
+	MaterialArray(int size) {
+		this->size = size;
+		elems = new Material[size];
+		last = 0;
+	}
+
+	void Append(const Material& m) {
+		if (size == last) return;
+		elems[last++] = m;
+	}
+
+	int GetSize() {
+		return size;
+	}
+
+	Material* GetByID(int id) {
+		for (int i = 0; i < last; i++) {
+			if (elems[i].id == id) {
+				return &elems[i];
+			}
+		}
+		return nullptr;
+	}
+
+	Material* GetByStartingType(int type) {
+		for (int i = 0; i < last; i++) {
+			if (elems[i].startingType == type) {
+				return &elems[i];
+			}
+		}
+		return nullptr;
+	}
+};
+
+struct Machine {
+private:
+	struct MaterialEfficiency {
+		int id;
+		float percentage;
+	};
+	MaterialEfficiency *efficiency;
+	int knownMaterials;
+
+	int availableThroughput;
+
+public:
+	int ConvertMaterial(int materialID, int quantity) {
+		if (availableThroughput == 0) {
+			return 0;
+		}
+
+		int converts = quantity * GetEfficiency(materialID);
+		availableThroughput -= converts;
+		// Губим материал, понеже машината се е счупила по средата на обработка
+		if (availableThroughput < 0) {
+			converts += availableThroughput;
+			availableThroughput = 0;
+		}
+		return converts;
+	}
+
+	int WillConvert(int materialID, int quantity) {
+		if (availableThroughput == 0) {
+			return 0;
+		}
+
+		int converts = quantity * GetEfficiency(materialID);
+		int newThroughput = availableThroughput - converts;
+		if (newThroughput < 0) {
+			converts += newThroughput;
+		}
+		return converts;
+	}
+
+	void FixFor(int quantity) {
+		availableThroughput += quantity;
+	}
+
+	float GetEfficiency(int id) {
+		for (int i = 0; i < knownMaterials; i++) {
+			if (efficiency[i].id == id) {
+				return efficiency[i].percentage;
+			}
+		}
+		return 0;
+	}
+};
+
+MaterialArray& materialPath(MaterialArray& materials, int startid, int endid) {
+	MaterialArray* path = new MaterialArray(materials.GetSize());
+
+	Material* current = materials.GetByID(startid);
+	path->Append(*current);
+	while(current->id != endid) {
+		current = materials.GetByStartingType(current->endingType);
+		path->Append(*current);
+	}
+
+	return *path;
+}
+
+MachineArray& bestMachinePath(MaterialArray& mpath) {
+
+}
+
+int main() {
+}