diff --git a/main.cpp b/main.cpp
index fba3347..88a98dc 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,7 +1,49 @@
-#include <iostream>
+#include <iostream>		
+#include<vector>
+
+using namespace std;
+
+
+void bubble(vector<int>& v) {
+	for (int j = 0; j < v.size(); j++)
+		for (int i = 0; i < v.size() - 1; i++)
+			if (v[i] > v[i + 1])
+				swap(v[i], v[i + 1]);
+}
+
+
+int fib(int n) {
+	int f1 = 0;
+	int f2 = 1;
+	int fn = 1;
+	if (n >= 1)
+		if (n >= 2)
+			for (int i = 0; i < n - 2; i++) {
+				fn = f1 + f2;
+				f1 = f2;
+				f2 = fn;
+			}
+
+	return fn;
+}
+
+
 
 int main()
 {
-    std::cout << "Hello, world!" << std::endl;
-    return 0;
-}
+	vector<int> v = { 6, 2, 1, 4, 5, 6, 9, 12, 3, 1, };
+
+	cout << "Hello, world!" << endl;
+
+	cout << fib(10) << endl; 
+
+	for (int i = 0; i < v.size(); i++)
+		cout << v[i] << " ";
+
+	cout << endl;
+
+	bubble(v);
+
+	for (int i = 0; i < v.size(); i++)
+		cout << v[i] << " ";
+}
\ No newline at end of file