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1 files changed, 44 insertions, 0 deletions

diff --git a/3.1-v5.cpp b/3.1-v5.cpp
new file mode 100644
index 0000000..95df66f
--- /dev/null
+++ b/3.1-v5.cpp
@@ -0,0 +1,44 @@
+#include <iostream>
+#include "sales_data.hpp"
+
+/*
+ *
+ * 2.41 - 1.25
+ *
+ *
+ */
+using std::cout;
+using std::cin;
+using std::endl;
+using std::cerr;
+int main() {
+	
+	SalesData total; // variable to hold data for the next transaction
+	double price = 0.0;
+	if (cin >> total.BookNo >> total.UnitsSold >> price) {
+		total.Revenue = price * total.UnitsSold;
+		SalesData trans; // variable to hold the running sum
+		while (cin >> trans.BookNo >> trans.UnitsSold >> price) {
+			trans.Revenue = price * trans.UnitsSold; // We can either keep this line, or comment this line out and uncomment line 34. Same behavior either way, just 2 different ways of doing the same thing. Though i do think that this is the more "correct" way of doing it
+			if (total.BookNo == trans.BookNo) {
+				total.UnitsSold += trans.UnitsSold;
+				total.Revenue += trans.Revenue;
+			} else {
+				double average = total.Revenue / total.UnitsSold;
+				cout << total.BookNo << " " << total.UnitsSold << " "
+						  << total.Revenue << " avg: " << average << endl;
+				total = trans;
+				//total.Revenue = price * total.UnitsSold;
+			}
+		}
+		
+		double average = total.Revenue / total.UnitsSold;
+		cout << total.BookNo << " " << total.UnitsSold << " "
+				  << total.Revenue << " avg: " << average << endl;
+	} else {
+		cerr << "No data?!" << endl;
+		return -1;
+	}
+	
+	return 0;
+}