1 files changed, 32 insertions, 0 deletions
diff --git a/9p23.cpp b/9p23.cpp
new file mode 100644
index 0000000..432e77f
--- /dev/null
+++ b/9p23.cpp
@@ -0,0 +1,32 @@
+#include <iostream>
+#include <vector>
+
+/*
+ *
+ * 9.23
+ *
+ *
+ */
+
+int main () {
+
+	std::vector<int> c = {1};
+	if (c.size() == 1) {
+		// val and val2 are copies of the value of the first element in c
+		auto val = *c.begin(), val2 = c.front();
+		// val3 and val4 are copies of the of the last element in c
+		auto last = c.end();
+		auto val3 = *(--last); // can’t decrement forward_list iterators
+		auto val4 = c.back(); // not supported by forward_list
+
+		std::cout << val << "\n"
+				  << val2 << "\n"
+				  << val3 << "\n"
+				  << val4 << "\n";
+		if(val || val2 || val3 || val4) {}
+
+	}
+
+	
+	return 0;
+}