Add vector data structure in c++ stl

C++ STL/vector.cpp

@@ -0,0 +1,44 @@
+#include <iostream>
+#include <vector>
+using namespace std;
+
+int main()
+{
+    // Assign vector
+    vector<int> vect;
+
+    // fill the vector with 5 ten times
+    vect.assign(10, 5);
+
+    // Get the size of the vector
+    int vector_size = vect.size();
+
+    // Iterate the vector using for loop
+    cout << "Vector elements are\n";
+    for (int i = 0; i < vector_size; i++)
+    {
+        cout << vect[i] << " ";
+    }
+    // inserts 20 to the last position
+    vect.push_back(20);
+    vector_size = vect.size();
+    cout << "\nThe last element after insert new element is: " << vect[vector_size - 1];
+
+    // removes last element
+    vect.pop_back();
+    // Print the vector
+    cout << "\nThe vector elements after removing the last element are: ";
+    for (int i = 0; i < vect.size(); i++)
+    {
+        cout << vect[i] << " ";
+    }
+
+    // inserts 8 at the beginning
+    vect.insert(vect.begin(), 8);
+    cout << "\nThe first element is: " << vect[0];
+
+    // removes the first element
+    vect.erase(vect.begin());
+    cout << "\nThe first element is: " << vect[0];
+    return 0;
+}