Standard Template Library in C++ learn with simple examples

Author: Sumit1164

STL.cpp

@@ -0,0 +1,34 @@
+//* STL-> Standard Template Library
+#include<iostream>
+#include<vector>
+
+using namespace std;
+
+// template<class T>
+void display(vector<int> &v){
+    for (int i = 0; i < v.size(); i++){
+        cout << v[i] << " ";
+        cout << "i'm at "<<v.at(i) <<endl;
+    }
+    cout << endl;
+}
+
+int main(){
+    vector<int> vec;
+    int element, size;
+    cout << "Enter the size of vector: " << endl;
+    cin >> size;
+    for (int i = 0; i < size; i++){
+        cout << "Enter an element value to add in vector: ";
+        cin >> element;
+        vec.push_back(element);
+    }
+    // vec.pop_back(); // delete last element
+    display(vec);
+
+    // vector<int>::iterator iter = vec.begin();
+    // vec.insert(iter, 7);   // iter -> postion index 0, iter+1 -> position index 1... // if you want to 7 print 10 times then use (iter, 10,  7)
+    // display(vec);
+    //? Vector methods
+    return 0;
+}