"C + +" STL: Stack

C++stack (Stack) is an adaptation of a container that implements an advanced post-out data structure (FILO)

You need to include the #include<stack> header file when using this container;

The sample code that defines the stack object is as follows:

stack<int>s1;

stack<string>s2;

The basic operations of stack are:

1. Into the stack: such as S.push (x);

2. Out of stack: such as S.pop (). Note: The stack operation simply removes the element at the top of the stack and does not return the element.

3. Access the top of the stack: such as s.top ();

4. Determine the empty stack: such as S.empty (). Returns True when the stack is empty.

5. Access the number of elements in the stack, such as s.size ();

Here's a simple example:

[CPP]View Plaincopyprint?

2. #include <iostream>
4. #include <stack>
6. Using namespace std;
8. int main (void)
10. {
12. stack<double>s; Define a stack
14. For (int i=0;i<10;i++)
16. S.push (i);
18. While (!s.empty ())
20. {
22. printf ("%lf\n", S.top ());
24. S.pop ();
26. }
28. cout<<"The number of elements in the stack is:" <<s.size () <<endl;
30. return 0;
32. }

"C + +" STL: Stack