more exercises

1 files changed, 25 insertions, 0 deletions

diff --git a/3p9.cpp b/3p9.cpp
new file mode 100644
index 0000000..25077ce
--- /dev/null
+++ b/3p9.cpp
@@ -0,0 +1,25 @@
+#include <iostream>
+#include "sales_data.hpp"
+#include "sales_item.hpp"
+
+/*
+ *
+ * 3.9
+ *
+ * Program does compile but not sure if valid. It has a size of 0 so its probably undefined behavior.
+ */
+
+using std::string;
+using std::cout;
+using std::cin;
+using std::cerr;
+using std::clog;
+using std::endl;
+int main () {
+
+	string s;
+	auto Size = s.size();
+	cout << Size << endl;
+	cout << s[0] << endl;
+	return 0;
+}