Create high_order_functions.cpp

1 files changed, 35 insertions, 0 deletions

diff --git a/Sem. 13/high_order_functions.cpp b/Sem. 13/high_order_functions.cpp
new file mode 100644
index 0000000..c6da6c7
--- /dev/null
+++ b/Sem. 13/high_order_functions.cpp
@@ -0,0 +1,35 @@
+#include <iostream>
+
+int get_something_from_array(const int* arr, size_t size, int result, int (*func)(int,int) )
+{
+	if (size == 0)
+		return result;
+	return get_something_from_array(arr + 1, size - 1, func(result, *arr), func);
+}
+
+int max(int a, int b)
+{
+	return a > b ? a : b;
+}
+int getMaxFromArray(const int* arr, size_t size)
+{
+	return get_something_from_array(arr, size, INT_MIN, max);
+}
+int sum(int x, int y)
+{
+	return x + y;
+}
+int getSumOnArray(const int* arr, size_t size)
+{
+	return get_something_from_array(arr, size, 0, sum);
+}
+
+
+
+int main()
+{
+	const size_t SIZE = 4;
+	int arr[SIZE] = { 1, 2, 3, 4 };
+
+	std::cout << getSumOnArray(arr, SIZE) << std::endl << getMaxFromArray(arr, SIZE) << std::endl;
+}