diff --git a/CPP/CPP_ vectors b/CPP/CPP_ vectors
new file mode 100644
index 0000000..39657c6
--- /dev/null
+++ b/CPP/CPP_ vectors	
@@ -0,0 +1,26 @@
+#include<iostream>
+#include<vetor>
+using namespace std;
+
+int main(){
+
+    vector<int> v;
+    v.push_back(1);
+    v.push_back(2);
+    v.push_back(3);
+    v.push_back(4);
+    v.push_back(5);
+    cout<<"size : "<<v.size()<<endl;
+    cout<<v.max_size()<<endl;
+    cout<<"capacity"<<v.capacity<<endl;
+    for(int i=0;i<v.size;i++){
+        cout<<v[i]<<' ';
+    }
+    cout<<endl;
+    for(int i=0;)
+
+
+
+
+	return 0;
+}
diff --git a/CPP/hello world b/CPP/hello world
index c2bff56..c95fedb 100644
--- a/CPP/hello world	
+++ b/CPP/hello world	
@@ -1,7 +1,7 @@
-#include<iostream>
-using namespace std;
-int main()
-{
-  cout<<"Hello World!";
-  return 0;
+(short)
+#include <iostream>
+
+int main() {
+    std::cout << "Hello World!";
+    return 0;
 }