feat(Week02): Add solutions

1 files changed, 27 insertions, 0 deletions

diff --git a/Week02/Exercise03/intarray.cpp b/Week02/Exercise03/intarray.cpp
new file mode 100644
index 0000000..3d8853d
--- /dev/null
+++ b/Week02/Exercise03/intarray.cpp
@@ -0,0 +1,27 @@
+#include "intarray.h"
+
+void IntArray::deleteSelf() {
+	delete[] elems;
+
+	size = 0;
+	elems = nullptr;
+}
+
+int IntArray::sum() {
+	int totalSum = 0;
+	for (unsigned i = 0; i < size; ++i)
+		totalSum += elems[i];
+	return totalSum;
+}
+
+IntArray newIntArray(unsigned size) {
+	IntArray ia;
+	ia.size = size;
+	ia.elems = new int[size];
+
+	return ia;
+}
+
+void deleteIntArray(IntArray& arr) {
+	arr.deleteSelf();
+}