[w1] Added exercises and solutions to ex1 and 2

1 files changed, 46 insertions, 0 deletions

diff --git a/week01/Exercise2.cpp b/week01/Exercise2.cpp
new file mode 100644
index 0000000..7d9d9b3
--- /dev/null
+++ b/week01/Exercise2.cpp
@@ -0,0 +1,46 @@
+#include <iostream>
+
+struct DynamicIntArray {
+	int* arrayPointer;
+	int allocatedSize;
+	int elementsCount;
+};
+
+void resize(DynamicIntArray& dynarr) {
+	int* biggerArray = new int[dynarr.allocatedSize * 2];
+
+	for (int i = 0; i < dynarr.elementsCount; i++) {
+		biggerArray[i] = dynarr.arrayPointer[i];
+	}
+
+	delete[] dynarr.arrayPointer;
+	dynarr.arrayPointer = biggerArray;
+	dynarr.allocatedSize *= 2;
+}
+
+void addToEnd(DynamicIntArray& dynarr, int newElem) {
+	if (dynarr.allocatedSize == dynarr.elementsCount) {
+		resize(dynarr);
+	}
+
+	dynarr.arrayPointer[dynarr.elementsCount++] = newElem;
+}
+
+int main() {
+	DynamicIntArray mydynarr = { new int[2], 2, 0 };
+	addToEnd(mydynarr, 18);
+	addToEnd(mydynarr, 6);
+	addToEnd(mydynarr, 100);
+	addToEnd(mydynarr, -773);
+	addToEnd(mydynarr, 840);
+	addToEnd(mydynarr, -1000);
+
+	resize(mydynarr);
+
+	std::cout << mydynarr.allocatedSize << " " << mydynarr.elementsCount << std::endl;
+	for (int i = 0; i < mydynarr.elementsCount; i++) {
+		std::cout << mydynarr.arrayPointer[i] << " ";
+	}
+
+	delete[] mydynarr.arrayPointer;
+}