From af945f52861f57ef431e80a324d238443df5201e Mon Sep 17 00:00:00 2001
From: ankitsingh999 <55996182+ankitsingh999@users.noreply.github.com>
Date: Sat, 3 Oct 2020 13:44:16 +0530
Subject: [PATCH] stack in stl

program to implement stack in stl
---
 stack in stl | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 stack in stl

diff --git a/stack in stl b/stack in stl
new file mode 100644
index 0000000..c148239
--- /dev/null
+++ b/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;
+}