stack in stl

stack in stl

@@ -0,0 +1,48 @@
+#include <iostream>
+#include <stack>
+#include <string>
+#include <cstdlib>
+using namespace std;
+int main() {
+   stack<int> s;
+   int c, i;
+   while (1) {
+      cout<<"1.Size of the Stack"<<endl;
+      cout<<"2.Insert Element into the Stack"<<endl;
+      cout<<"3.Delete Element from the Stack"<<endl;
+      cout<<"4.Top Element of the Stack"<<endl;
+      cout<<"5.Exit"<<endl;
+      cout<<"Enter your Choice: ";
+      cin>>c;
+      switch(c) {
+         case 1:
+            cout<<"Size of the stack: ";
+            cout<<s.size()<<endl;
+         break;
+         case 2:
+            cout<<"Enter value to be inserted: ";
+            cin>>i;
+            s.push(i);
+         break;
+         case 3:
+            i = s.top();
+            if (!s.empty()) {
+               s.pop();
+               cout<<i<<" Deleted"<<endl;
+            }else {
+               cout<<"Stack is Empty"<<endl;
+            }
+         break;
+         case 4:
+            cout<<"Top Element of the Stack: ";
+            cout<<s.top()<<endl;
+            break;
+         case 5:
+            exit(1);
+         break;
+         default:
+            cout<<"Wrong Choice"<<endl;
+      }
+   }
+   return 0;
+}