1 files changed, 27 insertions, 0 deletions
diff --git a/week07/ex2.cpp b/week07/ex2.cpp
new file mode 100644
index 0000000..2e0d16f
--- /dev/null
+++ b/week07/ex2.cpp
@@ -0,0 +1,27 @@
+#include <iostream>
+
+void sell(unsigned int& stock) {
+	stock--;
+}
+
+void receive(unsigned int& stock) {
+	stock += 10;
+}
+
+int main() {
+	unsigned int stockA = 0, stockB = 0, stockC = 0;
+	unsigned int* current = &stockA;
+	
+	char buf;
+	std::cin >> buf;
+	while (buf != '$') {
+		switch(buf) {
+			case 'a': current = &stockA; break;
+			case 'b': current = &stockB; break;
+			case 'c': current = &stockC; break;
+			case 'S': sell(*current); break;
+			case 'R': receive(*current); break;
+		}
+		std::cin >> buf;
+	}
+}