more exercises and tests

5 files changed, 156 insertions, 0 deletions

diff --git a/3p41.cpp b/3p41.cpp
new file mode 100644
index 0000000..4ae2247
--- /dev/null
+++ b/3p41.cpp
@@ -0,0 +1,24 @@
+#include <iostream>
+#include <vector>
+#include "sales_data.hpp"
+#include "sales_item.hpp"
+#include <iterator>
+
+/*
+ *
+ * 3.41
+ *
+ * Same thing as i did on my vec-arr-test.cpp 
+ */
+
+int main () {
+
+	int arr[] = {23,432423,43253,123,787,45677,3345,657784,3453};
+	std::vector<int> va(std::begin(arr), std::end(arr));
+	for(auto vaa : va) {
+		std::cout << vaa << " ";
+	}
+
+	std::cout << std::endl;
+	return 0;
+}
diff --git a/3p42.cpp b/3p42.cpp
new file mode 100644
index 0000000..495a6f6
--- /dev/null
+++ b/3p42.cpp
@@ -0,0 +1,30 @@
+#include <iostream>
+#include <vector>
+#include "sales_data.hpp"
+#include "sales_item.hpp"
+#include <iterator>
+
+/*
+ *
+ * 3.42
+ *
+ * 
+ */
+
+int main () {
+
+	std::vector<int> va = {23,432423,43253,123,787,45677,3345,657784,3453,10};
+	int arr[10]; // Really annoying that there is no way to take the size of the vector and use it as the size of this array.
+	int i = 0;
+	for(auto a : va) {
+		arr[i] = a;
+		++i;
+	}
+
+	for(auto a : arr) {
+		std::cout << a << " ";
+	}
+
+	std::cout << std::endl;
+	return 0;
+}
diff --git a/3p43.cpp b/3p43.cpp
new file mode 100644
index 0000000..a766d56
--- /dev/null
+++ b/3p43.cpp
@@ -0,0 +1,15 @@
+#include <iostream>
+#include <vector>
+#include "sales_data.hpp"
+#include "sales_item.hpp"
+
+/*
+ *
+ * 3.43
+ *
+ *
+ */
+
+int main () {
+	return 0;
+}
diff --git a/multi-arr-test.cpp b/multi-arr-test.cpp
new file mode 100644
index 0000000..bdd5306
--- /dev/null
+++ b/multi-arr-test.cpp
@@ -0,0 +1,57 @@
+#include <iostream>
+#include <vector>
+#include "sales_data.hpp"
+#include "sales_item.hpp"
+#include <iterator>
+
+/*
+ *
+ *
+ *
+ *
+ */
+
+int main () {
+
+	constexpr size_t rowCnt = 3, colCnt = 4;
+	int ia[rowCnt][colCnt];
+	for (size_t i = 0; i != rowCnt; ++i) {
+		for (size_t j = 0; j != colCnt; ++j) {
+			ia[i][j] = i * colCnt + j;
+		}
+	}
+
+	for(auto &a : ia) {
+		for(auto b : a) {
+			std::cout << b << " ";
+		}
+		std::cout << std::endl;
+	}
+
+	int ia2[rowCnt][colCnt];
+	size_t counter = 0;
+	for(auto &row : ia2) {
+		for(auto &col : row) {
+			col = counter;
+			++counter;
+		}
+	}
+
+	std::cout << std::endl;
+	for(auto &a : ia2) {
+		for(auto b : a) {
+			std::cout << b << " ";
+		}
+		std::cout << std::endl;
+	}
+	
+	std::cout << std::endl;
+	for(auto a = std::begin(ia2) ; a != std::end(ia2) ; ++a) {
+		for(auto aa = std::begin(*a) ; aa != std::end(*a) ; ++aa) {
+			std::cout << *aa << " ";
+		}
+		std::cout << std::endl;
+	}
+	
+	return 0;
+}
diff --git a/vec-arr-test.cpp b/vec-arr-test.cpp
new file mode 100644
index 0000000..fcfdb1f
--- /dev/null
+++ b/vec-arr-test.cpp
@@ -0,0 +1,30 @@
+#include <iostream>
+#include <vector>
+#include <iterator>
+#include "sales_data.hpp"
+#include "sales_item.hpp"
+
+/*
+ *
+ * 
+ *
+ *
+ */
+
+int main () {
+
+	int arr[] = {1,43,47,3465,3,553,2,667,31};
+	std::vector<int> varr1(std::begin(arr), std::end(arr));
+	std::vector<int> varr2(arr+0, arr+9);
+	for(auto a : varr1) {
+		std::cout << a << " ";
+	}
+
+	std::cout << std::endl;
+	for(auto a : varr2) {
+		std::cout << a << " ";
+	}
+
+	std::cout << std::endl;
+	return 0;
+}