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C++ Find the Largest Element of the Stack Program

Hello Everyone!

In this tutorial, we will learn about the working of a Stack and Finding it's Maximum element in the C++ programming language.

To understand the basic functionality of the Stack, we will recommend you to visit the Stack Data Structure, where we have explained this concept in detail from scratch.

For a better understanding of its implementation, refer to the well-commented C++ code given below.

Code:

#include <iostream>
#include <bits/stdc++.h>

using namespace std;

//Function to print the Maximum element in the stack
void findMax(stack<int> s)
{
    int m = s.top(); //initialization

    int a;

    while (!s.empty())
    {
        a = s.top();

        if (m < a)
            m = a; //Storing the maximum element in m

        s.pop(); //removing the topmost element to bring next element at the top
    }

    cout << "\n\nThe maximum element of the Stack is: " << m << endl;
}

//Function to print the elements of the stack
void show(stack<int> s)
{
    while (!s.empty())
    {
        cout << "  " << s.top(); //printing the topmost element
        s.pop();                 //removing the topmost element to bring next element at the top
    }

    cout << endl;
}

int main()
{
    cout << "\n\nWelcome to Studytonight :-)\n\n\n";
    cout << " =====  Program to Find the Maximum element in the Stack, in CPP  ===== \n\n";

    int i;

    //Stack declaration (stack of integers)
    stack<int> s;

    //Filling the elements by using the push() method.
    cout << "Filling the Stack in LIFO order using the push() method:"; //LIFO= Last In First Out

    s.push(4);
    s.push(2);
    s.push(20);
    s.push(12);
    s.push(52);
    s.push(14);

    cout << "\n\nThe elements of the Stack in LIFO order are: ";
    show(s);

    findMax(s); //to find the max element

    cout << "\n\n\n";

    return 0;
}

Output:

C++ Stack Max

We hope that this post helped you develop a better understanding of the concept of Stack and its implementation in C++. For any query, feel free to reach out to us via the comments section down below.

Keep Learning : )