1 files changed, 30 insertions, 0 deletions
diff --git a/2.42-v4.cpp b/2.42-v4.cpp
new file mode 100644
index 0000000..f0d5a7e
--- /dev/null
+++ b/2.42-v4.cpp
@@ -0,0 +1,30 @@
+#include <iostream>
+#include "sales_data.hpp"
+
+/*
+ *
+ * 2.41 - 1.23 - 1.24
+ *
+ *
+ */
+
+int main () {
+
+	SalesData Item;
+	SalesData CurItem;	
+	if(std::cin >> CurItem.BookNo >> CurItem.UnitsSold >> CurItem.Revenue) {
+		unsigned int Count = CurItem.UnitsSold;
+		while(std::cin >> Item.BookNo >> Item.UnitsSold >> Item.Revenue) {
+			if(Item.BookNo == CurItem.BookNo) {
+				Count += Item.UnitsSold;
+			} else {
+				std::cout << "ISBN: " << CurItem.BookNo << " has " << Count << " transactions" << std::endl;
+				CurItem = Item;
+				Count = Item.UnitsSold;
+			}
+		}
+		std::cout << "ISBN: " << CurItem.BookNo << " has " << Count << " transactions" << std::endl;
+	}
+
+	return 0;
+}