Added solution - LeetHub

Author: anand-3399

Implement stack using array - GFG/implement-stack-using-array.cpp

@@ -0,0 +1,63 @@
+//{ Driver Code Starts
+#include<bits/stdc++.h>
+using namespace std;
+
+class MyStack
+{
+private:
+    int arr[1000];
+    int top;
+public:
+    MyStack(){top=-1;}
+    int pop();
+    void push(int);
+};
+
+
+int main()
+{
+
+    int T;
+    cin>>T;
+    while(T--)
+    {
+        MyStack *sq = new MyStack();
+
+        int Q;
+        cin>>Q;
+        while(Q--){
+        int QueryType=0;
+        cin>>QueryType;
+        if(QueryType==1)
+        {
+            int a;
+            cin>>a;
+            sq->push(a);
+        }else if(QueryType==2){
+            cout<<sq->pop()<<" ";
+
+        }
+        }
+        cout<<endl;
+    }
+}
+
+// } Driver Code Ends
+
+
+
+//Function to push an integer into the stack.
+void MyStack :: push(int x)
+{
+    // Your Code
+    arr[++top] = x;
+}
+
+//Function to remove an item from top of the stack.
+int MyStack :: pop()
+{
+    // Your Code  
+    if(top == -1)
+        return -1;
+    return arr[top--];
+}