1 files changed, 40 insertions, 0 deletions
diff --git a/2.42-v3-2.cpp b/2.42-v3-2.cpp
new file mode 100644
index 0000000..768983b
--- /dev/null
+++ b/2.42-v3-2.cpp
@@ -0,0 +1,40 @@
+#include <iostream>
+#include "sales_data.hpp"
+
+/*
+ *
+ * 2.41 - 1.22
+ * version 2, a bit more interactive but might not be desirable if using file redirections
+ *
+ */
+
+int main () {
+	
+	SalesData book1;
+	SalesData Sum;
+	if(std::cin >> Sum.BookNo >> Sum.UnitsSold >> Sum.Revenue) {
+		while(std::cin >> book1.BookNo >> book1.UnitsSold >> book1.Revenue) {
+			if(Sum.BookNo == book1.BookNo) {
+				Sum.UnitsSold += book1.UnitsSold;
+				Sum.Revenue += book1.Revenue;
+			} else {
+				std::cout << "These books do not have the same ISBN" << std::endl;
+				while(1) {
+					std::string yesno;
+					std::cout << "Do you wish to continue? Yes/No " << std::endl;
+					std::cin >> yesno;
+					if(yesno == "Yes") {
+						break;
+					} else if(yesno == "No") {
+						return 0;
+				    }
+				}
+				continue;
+			}
+		}
+	}
+	
+	std::cout << Sum.BookNo << " " << Sum.UnitsSold << " " << Sum.Revenue << std::endl;
+	
+	return 0;
+}