Similar Problems not available
In C++, the standard library gives us the facility to use the Stacks as a type of container adaptors with LIFO type of working. The stack::size() is a C++ Standard Library function which is used to get the number of elements in the stack.
Syntax:
Stack_Name.size( );
Parameter: The stack::size() function does not accepts any parameter.
Return value: The stack::size() function returns the number of elements in the stack container.
Program
#include <iostream>
#include <stack>
using namespace std;
int main()
{
stack<int> STK;
STK.push(10);
STK.push(20);
STK.push(30);
cout << STK.size() << endl;
while (!STK.empty())
{
STK.pop();
cout << STK.size() << endl;
}
}
3
2
1
0