Push value and pop value from stack - C++ STL

C++ examples for STL:stack

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Description

Push value and pop value from stack

Demo Code

#include <iostream> 
#include <stack> // stack adapter definition 
#include <vector> // vector class-template definition 
#include <list> // list class-template definition 
using namespace std; 

// pushElements function-template prototype 
template< typename T > void pushElements( T &stackRef ); 

// popElements function-template prototype 
template< typename T > void popElements( T &stackRef ); 

int main() //from  w  ww  .  j a va2  s. c  o m
{ 
    // stack with default underlying deque 
    stack< int > intDequeStack; 

    // stack with underlying vector 
    stack< int, vector< int > > intVectorStack; 

    // stack with underlying list 
    stack< int, list< int > > intListStack; 

    // push the values 0-9 onto each stack 
    cout << "Pushing onto intDequeStack: "; 
    pushElements( intDequeStack ); 
    cout << "\nPushing onto intVectorStack: "; 
    pushElements( intVectorStack ); 
    cout << "\nPushing onto intListStack: "; 
    pushElements( intListStack ); 
    cout << endl << endl; 

    // display and remove elements from each stack 
    cout << "Popping from intDequeStack: "; 
    popElements( intDequeStack ); 
    cout << "\nPopping from intVectorStack: "; 
    popElements( intVectorStack ); 
    cout << "\nPopping from intListStack: "; 
    popElements( intListStack ); 
    cout << endl; 
}

// push elements onto stack object to which stackRef refers 
template< typename T > void pushElements( T &stackRef ) 
{ 
    for ( int i = 0; i < 10; ++i ) 
    { 
        stackRef.push( i ); // push element onto stack 
        cout << stackRef.top() << ' '; // view (and display) top element 
    }
} // end function pushElements 

// pop elements from stack object to which stackRef refers 
template< typename T > void popElements( T &stackRef ) 
{ 
    while ( !stackRef.empty() ) 
    { 
        cout << stackRef.top() << ' '; // view (and display) top element 
        stackRef.pop(); // remove top element 
    }
} // end function popElements

Result


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