more exercises

1 files changed, 52 insertions, 0 deletions

diff --git a/3p44.cpp b/3p44.cpp
new file mode 100644
index 0000000..f098169
--- /dev/null
+++ b/3p44.cpp
@@ -0,0 +1,52 @@
+#include <iostream>
+#include <vector>
+#include "sales_data.hpp"
+#include "sales_item.hpp"
+#include <iterator>
+
+/*
+ *
+ * 3.44
+ *
+ *
+ */
+
+int main () {
+
+	int ia[3][4] = {
+		{1,2,3,4},
+		{5,6,7,8},
+		{9,10,11,12}
+	};
+
+	using int_arr4 = int[4]; // I'll be honest i dont like this whole 'using' and 'typedef'
+	                         // It just feels like obfuscating the code when you really don't need to.
+	for (int_arr4 &a : ia) { // A reference to an array of 4 int's
+		// I'll be honest i would not have figured that out myself, i did search the internet for answers.
+		for (int aa : a) {
+			std::cout << aa << " ";
+		}
+		
+		std::cout << std::endl;
+	}
+
+	std::cout << std::endl;
+	for(size_t i = 0 ; i != 3 ; ++i) {
+		for(size_t j = 0 ; j != 4 ; ++j) {
+			std::cout << ia[i][j] << " ";
+		}
+		
+		std::cout << std::endl;
+	}
+
+	std::cout << std::endl;
+	for(int_arr4 *p = std::begin(ia) ; p != std::end(ia) ; ++p) {
+		for(int *pp = std::begin(*p) ; pp != std::end(*p) ; ++pp) {
+			std::cout << *pp << " ";
+		}
+
+		std::cout << std::endl;
+	}
+
+	return 0;
+}