more exercises

1 files changed, 35 insertions, 0 deletions

diff --git a/3p43.cpp b/3p43.cpp
index a766d56..19fa0ce 100644
--- a/3p43.cpp
+++ b/3p43.cpp
@@ -2,6 +2,7 @@
 #include <vector>
 #include "sales_data.hpp"
 #include "sales_item.hpp"
+#include <iterator>
 
 /*
  *
@@ -11,5 +12,39 @@
  */
 
 int main () {
+
+	int ia[3][4] = {
+		{1,2,3,4},
+		{5,6,7,8},
+		{9,10,11,12}
+	};
+
+	for (int (&a)[4] : 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 (*p)[4] = 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;
 }