Add two numbers represented by stack
Here given code implementation process.
/*
C Program
Add two numbers represented by stack
*/
#include <stdio.h>
#include <stdlib.h>
// Define stack node
struct StackNode
{
int element;
struct StackNode *next;
};
// Define a custom stack
struct MyStack
{
struct StackNode *top;
int size;
};
struct MyStack *newStack()
{
//Make a stack
struct MyStack *stack = (struct MyStack *) malloc(sizeof(struct MyStack));
if (stack != NULL)
{
//Set node values
stack->top = NULL;
stack->size = 0;
}
else
{
printf("\nMemory overflow when create new stack\n");
}
}
// Returns the status of empty or non empty stacks
int isEmpty(struct MyStack *stack)
{
if (stack->size > 0 && stack->top != NULL)
{
return 0;
}
else
{
return 1;
}
}
// Add node at the top of stack
void push(struct MyStack *stack, int element)
{
// Make a new node
struct StackNode *node = (struct StackNode *) malloc(sizeof(struct StackNode));
if (node == NULL)
{
printf("\nMemory overflow when create new stack Node \n");
}
else
{
node->element = element;
node->next = stack->top;
}
// Add stack element
stack->top = node;
stack->size++;
}
// return top element of stack
int peek(struct MyStack *stack)
{
return stack->top->element;
}
// Remove top element of stack
void pop(struct MyStack *stack)
{
if (isEmpty(stack) == 0)
{
struct StackNode *temp = stack->top;
// Change top element of stack
stack->top = temp->next;
// remove previous top
free(temp);
temp = NULL;
stack->size--;
}
}
// Perform of addition of two numbers in stack
void addNumber(struct MyStack*s1,struct MyStack*s2)
{
// This is backup stack
struct MyStack *result = newStack();
int remainder = 0;
int sum = 0;
while(isEmpty(s1)==0 || isEmpty(s2) == 0)
{
if(isEmpty(s1)==0 && isEmpty(s2) == 0)
{
// When both stack element exists
sum = remainder + peek(s1) + peek(s2);
pop(s1);
pop(s2);
}
else
{
if(isEmpty(s1)==0 )
{
// When s1 element exists
sum = remainder + peek(s1);
pop(s1);
}
else
{
// When s2 element exists
sum = remainder + peek(s2);
pop(s2);
}
}
// Add sum into stack
push(result,sum % 10);
remainder = sum / 10;
}
// When remainder value exists
while(remainder > 0)
{
push(result,remainder % 10);
remainder = remainder / 10;
}
// Put result into stack s1
while(isEmpty(result)==0)
{
push(s1,peek(result));
pop(result);
}
}
// Print stack elements in reverse order
void printData(struct MyStack *s)
{
if(isEmpty(s)==1)
{
return;
}
int data = peek(s);
pop(s);
printData(s);
printf(" %d", data);
push(s,data);
}
// Handle request to print stack elements
void printStack(struct MyStack*s1,struct MyStack*s2)
{
printf("\n Stack 1 \n");
printData(s1);
printf("\n Stack 2 \n");
printData(s2);
}
int main()
{
// Create two empty stack
struct MyStack*s1 = newStack();
struct MyStack*s2 = newStack();
// First stack
push(s1,9);
push(s1,8);
push(s1,9);
// Second stack
push(s2,4);
push(s2,2);
push(s2,8);
printStack(s1,s2);
addNumber(s1,s2);
printf("\n Result \n");
printData(s1);
printf("\n");
return 0;
}
Output
Stack 1
9 8 9
Stack 2
4 2 8
Result
1 4 1 7
/*
Java Program for
Check if two stacks are equal
*/
// Define stack node
class StackNode
{
public int element;
public StackNode next;
public StackNode(int element, StackNode top)
{
this.element = element;
this.next = top;
}
}
// Define a custom stack
class MyStack
{
public StackNode top;
public int size;
public MyStack()
{
//Set node values
this.top = null;
this.size = 0;
}
// Add node at the top of stack
public void push(int element)
{
this.top = new StackNode(element, this.top);
this.size++;
}
public boolean isEmpty()
{
if (this.size > 0 && this.top != null)
{
return false;
}
else
{
return true;
}
}
// Remove top element of stack
public void pop()
{
if (this.size > 0 && this.top != null)
{
StackNode temp = this.top;
// Change top element of stack
this.top = temp.next;
// remove previous top
temp = null;
this.size--;
}
}
// return top element of stack
public int peek()
{
if (this.top == null)
{
return -1;
}
return this.top.element;
}
}
public class Summation
{
// Perform of addition of two numbers in stack
public void addNumber(MyStack s1, MyStack s2)
{
// This is backup stack
MyStack result = new MyStack();
int remainder = 0;
int sum = 0;
while (s1.isEmpty() == false || s2.isEmpty() == false)
{
if (s1.isEmpty() == false && s2.isEmpty() == false)
{
// When both stack element exists
sum = remainder + s1.peek() + s2.peek();
s1.pop();
s2.pop();
}
else
{
if (s1.isEmpty() == false)
{
// When s1 element exists
sum = remainder + s1.peek();
s1.pop();
}
else
{
// When s2 element exists
sum = remainder + s2.peek();
s2.pop();
}
}
// Add sum into stack
result.push(sum % 10);
remainder = sum / 10;
}
// When remainder value exists
while (remainder > 0)
{
result.push(remainder % 10);
remainder = remainder / 10;
}
// Put result into stack s1
while (result.isEmpty() == false)
{
s1.push(result.peek());
result.pop();
}
}
// Print stack elements in reverse order
public void printData(MyStack s)
{
if (s.isEmpty() == true)
{
return;
}
int data = s.peek();
s.pop();
printData(s);
System.out.print(" " + data);
s.push(data);
}
// Handle request to print stack elements
public void printStack(MyStack s1, MyStack s2)
{
System.out.print("\n Stack 1 \n");
printData(s1);
System.out.print("\n Stack 2 \n");
printData(s2);
}
public static void main(String[] args)
{
// Create two empty stack
Summation task = new Summation();
MyStack s1 = new MyStack();
MyStack s2 = new MyStack();
// First stack
s1.push(9);
s1.push(8);
s1.push(9);
// Second stack
s2.push(4);
s2.push(2);
s2.push(8);
task.printStack(s1, s2);
task.addNumber(s1, s2);
System.out.print("\n Result \n");
task.printData(s1);
System.out.print("\n");
}
}
Output
Stack 1
9 8 9
Stack 2
4 2 8
Result
1 4 1 7
// Include header file
#include <iostream>
using namespace std;
/*
C++ Program for
Check if two stacks are equal
*/
// Define stack node
class StackNode
{
public:
int element;
StackNode *next;
StackNode(int element, StackNode *top)
{
this->element = element;
this->next = top;
}
};
// Define a custom stack
class MyStack
{
public: StackNode *top;
int size;
MyStack()
{
//Set node values
this->top = NULL;
this->size = 0;
}
// Add node at the top of stack
void push(int element)
{
this->top = new StackNode(element, this->top);
this->size++;
}
bool isEmpty()
{
if (this->size > 0 && this->top != NULL)
{
return false;
}
else
{
return true;
}
}
// Remove top element of stack
void pop()
{
if (this->size > 0 && this->top != NULL)
{
StackNode *temp = this->top;
// Change top element of stack
this->top = temp->next;
// remove previous top
temp = NULL;
this->size--;
}
}
// return top element of stack
int peek()
{
if (this->top == NULL)
{
return -1;
}
return this->top->element;
}
};
class Summation
{
public:
// Perform of addition of two numbers in stack
void addNumber(MyStack *s1, MyStack *s2)
{
// This is backup stack
MyStack *result = new MyStack();
int remainder = 0;
int sum = 0;
while (s1->isEmpty() == false || s2->isEmpty() == false)
{
if (s1->isEmpty() == false && s2->isEmpty() == false)
{
// When both stack element exists
sum = remainder + s1->peek() + s2->peek();
s1->pop();
s2->pop();
}
else
{
if (s1->isEmpty() == false)
{
// When s1 element exists
sum = remainder + s1->peek();
s1->pop();
}
else
{
// When s2 element exists
sum = remainder + s2->peek();
s2->pop();
}
}
// Add sum into stack
result->push(sum % 10);
remainder = sum / 10;
}
// When remainder value exists
while (remainder > 0)
{
result->push(remainder % 10);
remainder = remainder / 10;
}
// Put result into stack s1
while (result->isEmpty() == false)
{
s1->push(result->peek());
result->pop();
}
}
// Print stack elements in reverse order
void printData(MyStack s)
{
if (s.isEmpty() == true)
{
return;
}
int data = s.peek();
s.pop();
this->printData(s);
cout << " " << data;
s.push(data);
}
// Handle request to print stack elements
void printStack(MyStack s1, MyStack s2)
{
cout << "\n Stack 1 \n";
this->printData(s1);
cout << "\n Stack 2 \n";
this->printData(s2);
}
};
int main()
{
// Create two empty stack
Summation task = Summation();
MyStack s1 = MyStack();
MyStack s2 = MyStack();
// First stack
s1.push(9);
s1.push(8);
s1.push(9);
// Second stack
s2.push(4);
s2.push(2);
s2.push(8);
task.printStack(s1, s2);
task.addNumber(&s1, &s2);
cout << "\n Result \n";
task.printData(s1);
cout << "\n";
return 0;
}
Output
Stack 1
9 8 9
Stack 2
4 2 8
Result
1 4 1 7
// Include namespace system
using System;
/*
C# Program for
Check if two stacks are equal
*/
// Define stack node
public class StackNode
{
public int element;
public StackNode next;
public StackNode(int element, StackNode top)
{
this.element = element;
this.next = top;
}
}
// Define a custom stack
public class MyStack
{
public StackNode top;
public int size;
public MyStack()
{
//Set node values
this.top = null;
this.size = 0;
}
// Add node at the top of stack
public void push(int element)
{
this.top = new StackNode(element, this.top);
this.size++;
}
public Boolean isEmpty()
{
if (this.size > 0 && this.top != null)
{
return false;
}
else
{
return true;
}
}
// Remove top element of stack
public void pop()
{
if (this.size > 0 && this.top != null)
{
StackNode temp = this.top;
// Change top element of stack
this.top = temp.next;
// remove previous top
temp = null;
this.size--;
}
}
// return top element of stack
public int peek()
{
if (this.top == null)
{
return -1;
}
return this.top.element;
}
}
public class Summation
{
// Perform of addition of two numbers in stack
public void addNumber(MyStack s1, MyStack s2)
{
// This is backup stack
MyStack result = new MyStack();
int remainder = 0;
int sum = 0;
while (s1.isEmpty() == false || s2.isEmpty() == false)
{
if (s1.isEmpty() == false && s2.isEmpty() == false)
{
// When both stack element exists
sum = remainder + s1.peek() + s2.peek();
s1.pop();
s2.pop();
}
else
{
if (s1.isEmpty() == false)
{
// When s1 element exists
sum = remainder + s1.peek();
s1.pop();
}
else
{
// When s2 element exists
sum = remainder + s2.peek();
s2.pop();
}
}
// Add sum into stack
result.push(sum % 10);
remainder = sum / 10;
}
// When remainder value exists
while (remainder > 0)
{
result.push(remainder % 10);
remainder = remainder / 10;
}
// Put result into stack s1
while (result.isEmpty() == false)
{
s1.push(result.peek());
result.pop();
}
}
// Print stack elements in reverse order
public void printData(MyStack s)
{
if (s.isEmpty() == true)
{
return;
}
int data = s.peek();
s.pop();
printData(s);
Console.Write(" " + data);
s.push(data);
}
// Handle request to print stack elements
public void printStack(MyStack s1, MyStack s2)
{
Console.Write("\n Stack 1 \n");
printData(s1);
Console.Write("\n Stack 2 \n");
printData(s2);
}
public static void Main(String[] args)
{
// Create two empty stack
Summation task = new Summation();
MyStack s1 = new MyStack();
MyStack s2 = new MyStack();
// First stack
s1.push(9);
s1.push(8);
s1.push(9);
// Second stack
s2.push(4);
s2.push(2);
s2.push(8);
task.printStack(s1, s2);
task.addNumber(s1, s2);
Console.Write("\n Result \n");
task.printData(s1);
Console.Write("\n");
}
}
Output
Stack 1
9 8 9
Stack 2
4 2 8
Result
1 4 1 7
<?php
/*
Php Program for
Check if two stacks are equal
*/
// Define stack node
class StackNode
{
public $element;
public $next;
function __construct($element, $top)
{
$this->element = $element;
$this->next = $top;
}
}
// Define a custom stack
class MyStack
{
public $top;
public $size;
function __construct()
{
//Set node values
$this->top = null;
$this->size = 0;
}
// Add node at the top of stack
public function push($element)
{
$this->top = new StackNode($element, $this->top);
$this->size++;
}
public function isEmpty()
{
if ($this->size > 0 && $this->top != null)
{
return false;
}
else
{
return true;
}
}
// Remove top element of stack
public function pop()
{
if ($this->size > 0 && $this->top != null)
{
$temp = $this->top;
// Change top element of stack
$this->top = $temp->next;
// remove previous top
$temp = null;
$this->size--;
}
}
// return top element of stack
public function peek()
{
if ($this->top == null)
{
return -1;
}
return $this->top->element;
}
}
class Summation
{
// Perform of addition of two numbers in stack
public function addNumber($s1, $s2)
{
// This is backup stack
$result = new MyStack();
$remainder = 0;
$sum = 0;
while ($s1->isEmpty() == false || $s2->isEmpty() == false)
{
if ($s1->isEmpty() == false && $s2->isEmpty() == false)
{
// When both stack element exists
$sum = $remainder + $s1->peek() + $s2->peek();
$s1->pop();
$s2->pop();
}
else
{
if ($s1->isEmpty() == false)
{
// When s1 element exists
$sum = $remainder + $s1->peek();
$s1->pop();
}
else
{
// When s2 element exists
$sum = $remainder + $s2->peek();
$s2->pop();
}
}
// Add sum into stack
$result->push($sum % 10);
$remainder = intval($sum / 10);
}
// When remainder value exists
while ($remainder > 0)
{
$result->push($remainder % 10);
$remainder = intval($remainder / 10);
}
// Put result into stack s1
while ($result->isEmpty() == false)
{
$s1->push($result->peek());
$result->pop();
}
}
// Print stack elements in reverse order
public function printData($s)
{
if ($s->isEmpty() == true)
{
return;
}
$data = $s->peek();
$s->pop();
$this->printData($s);
echo " ". $data;
$s->push($data);
}
// Handle request to print stack elements
public function printStack($s1, $s2)
{
echo "\n Stack 1 \n";
$this->printData($s1);
echo "\n Stack 2 \n";
$this->printData($s2);
}
}
function main()
{
// Create two empty stack
$task = new Summation();
$s1 = new MyStack();
$s2 = new MyStack();
// First stack
$s1->push(9);
$s1->push(8);
$s1->push(9);
// Second stack
$s2->push(4);
$s2->push(2);
$s2->push(8);
$task->printStack($s1, $s2);
$task->addNumber($s1, $s2);
echo "\n Result \n";
$task->printData($s1);
echo "\n";
}
main();
Output
Stack 1
9 8 9
Stack 2
4 2 8
Result
1 4 1 7
/*
Node Js Program for
Check if two stacks are equal
*/
// Define stack node
class StackNode
{
constructor(element, top)
{
this.element = element;
this.next = top;
}
}
// Define a custom stack
class MyStack
{
constructor()
{
//Set node values
this.top = null;
this.size = 0;
}
// Add node at the top of stack
push(element)
{
this.top = new StackNode(element, this.top);
this.size++;
}
isEmpty()
{
if (this.size > 0 && this.top != null)
{
return false;
}
else
{
return true;
}
}
// Remove top element of stack
pop()
{
if (this.size > 0 && this.top != null)
{
var temp = this.top;
// Change top element of stack
this.top = temp.next;
// remove previous top
temp = null;
this.size--;
}
}
// return top element of stack
peek()
{
if (this.top == null)
{
return -1;
}
return this.top.element;
}
}
class Summation
{
// Perform of addition of two numbers in stack
addNumber(s1, s2)
{
// This is backup stack
var result = new MyStack();
var remainder = 0;
var sum = 0;
while (s1.isEmpty() == false || s2.isEmpty() == false)
{
if (s1.isEmpty() == false && s2.isEmpty() == false)
{
// When both stack element exists
sum = remainder + s1.peek() + s2.peek();
s1.pop();
s2.pop();
}
else
{
if (s1.isEmpty() == false)
{
// When s1 element exists
sum = remainder + s1.peek();
s1.pop();
}
else
{
// When s2 element exists
sum = remainder + s2.peek();
s2.pop();
}
}
// Add sum into stack
result.push(sum % 10);
remainder = parseInt(sum / 10);
}
// When remainder value exists
while (remainder > 0)
{
result.push(remainder % 10);
remainder = parseInt(remainder / 10);
}
// Put result into stack s1
while (result.isEmpty() == false)
{
s1.push(result.peek());
result.pop();
}
}
// Print stack elements in reverse order
printData(s)
{
if (s.isEmpty() == true)
{
return;
}
var data = s.peek();
s.pop();
this.printData(s);
process.stdout.write(" " + data);
s.push(data);
}
// Handle request to print stack elements
printStack(s1, s2)
{
process.stdout.write("\n Stack 1 \n");
this.printData(s1);
process.stdout.write("\n Stack 2 \n");
this.printData(s2);
}
}
function main()
{
// Create two empty stack
var task = new Summation();
var s1 = new MyStack();
var s2 = new MyStack();
// First stack
s1.push(9);
s1.push(8);
s1.push(9);
// Second stack
s2.push(4);
s2.push(2);
s2.push(8);
task.printStack(s1, s2);
task.addNumber(s1, s2);
process.stdout.write("\n Result \n");
task.printData(s1);
process.stdout.write("\n");
}
main();
Output
Stack 1
9 8 9
Stack 2
4 2 8
Result
1 4 1 7
# Python 3 Program for
# Check if two stacks are equal
# Define stack node
class StackNode :
def __init__(self, element, top) :
self.element = element
self.next = top
# Define a custom stack
class MyStack :
def __init__(self) :
# Set node values
self.top = None
self.size = 0
# Add node at the top of stack
def push(self, element) :
self.top = StackNode(element, self.top)
self.size += 1
def isEmpty(self) :
if (self.size > 0 and self.top != None) :
return False
else :
return True
# Remove top element of stack
def pop(self) :
if (self.size > 0 and self.top != None) :
temp = self.top
# Change top element of stack
self.top = temp.next
# remove previous top
temp = None
self.size -= 1
# return top element of stack
def peek(self) :
if (self.top == None) :
return -1
return self.top.element
class Summation :
# Perform of addition of two numbers in stack
def addNumber(self, s1, s2) :
# This is backup stack
result = MyStack()
remainder = 0
sum = 0
while (s1.isEmpty() == False or s2.isEmpty() == False) :
if (s1.isEmpty() == False and s2.isEmpty() == False) :
# When both stack element exists
sum = remainder + s1.peek() + s2.peek()
s1.pop()
s2.pop()
else :
if (s1.isEmpty() == False) :
# When s1 element exists
sum = remainder + s1.peek()
s1.pop()
else :
# When s2 element exists
sum = remainder + s2.peek()
s2.pop()
# Add sum into stack
result.push(sum % 10)
remainder = int(sum / 10)
# When remainder value exists
while (remainder > 0) :
result.push(remainder % 10)
remainder = int(remainder / 10)
# Put result into stack s1
while (result.isEmpty() == False) :
s1.push(result.peek())
result.pop()
# Print stack elements in reverse order
def printData(self, s) :
if (s.isEmpty() == True) :
return
data = s.peek()
s.pop()
self.printData(s)
print(" ", data, end = "")
s.push(data)
# Handle request to print stack elements
def printStack(self, s1, s2) :
print("\n Stack 1 ")
self.printData(s1)
print("\n Stack 2 ")
self.printData(s2)
def main() :
# Create two empty stack
task = Summation()
s1 = MyStack()
s2 = MyStack()
# First stack
s1.push(9)
s1.push(8)
s1.push(9)
# Second stack
s2.push(4)
s2.push(2)
s2.push(8)
task.printStack(s1, s2)
task.addNumber(s1, s2)
print("\n Result ")
task.printData(s1)
print(end = "\n")
if __name__ == "__main__": main()
Output
Stack 1
9 8 9
Stack 2
4 2 8
Result
1 4 1 7
# Ruby Program for
# Check if two stacks are equal
# Define stack node
class StackNode
# Define the accessor and reader of class StackNode
attr_reader :element, :next
attr_accessor :element, :next
def initialize(element, top)
self.element = element
self.next = top
end
end
# Define a custom stack
class MyStack
# Define the accessor and reader of class MyStack
attr_reader :top, :size
attr_accessor :top, :size
def initialize()
# Set node values
self.top = nil
self.size = 0
end
# Add node at the top of stack
def push(element)
self.top = StackNode.new(element, self.top)
self.size += 1
end
def isEmpty()
if (self.size > 0 && self.top != nil)
return false
else
return true
end
end
# Remove top element of stack
def pop()
if (self.size > 0 && self.top != nil)
temp = self.top
# Change top element of stack
self.top = temp.next
# remove previous top
temp = nil
self.size -= 1
end
end
# return top element of stack
def peek()
if (self.top == nil)
return -1
end
return self.top.element
end
end
class Summation
# Perform of addition of two numbers in stack
def addNumber(s1, s2)
# This is backup stack
result = MyStack.new()
remainder = 0
sum = 0
while (s1.isEmpty() == false || s2.isEmpty() == false)
if (s1.isEmpty() == false && s2.isEmpty() == false)
# When both stack element exists
sum = remainder + s1.peek() + s2.peek()
s1.pop()
s2.pop()
else
if (s1.isEmpty() == false)
# When s1 element exists
sum = remainder + s1.peek()
s1.pop()
else
# When s2 element exists
sum = remainder + s2.peek()
s2.pop()
end
end
# Add sum into stack
result.push(sum % 10)
remainder = sum / 10
end
# When remainder value exists
while (remainder > 0)
result.push(remainder % 10)
remainder = remainder / 10
end
# Put result into stack s1
while (result.isEmpty() == false)
s1.push(result.peek())
result.pop()
end
end
# Print stack elements in reverse order
def printData(s)
if (s.isEmpty() == true)
return
end
data = s.peek()
s.pop()
self.printData(s)
print(" ", data)
s.push(data)
end
# Handle request to print stack elements
def printStack(s1, s2)
print("\n Stack 1 \n")
self.printData(s1)
print("\n Stack 2 \n")
self.printData(s2)
end
end
def main()
# Create two empty stack
task = Summation.new()
s1 = MyStack.new()
s2 = MyStack.new()
# First stack
s1.push(9)
s1.push(8)
s1.push(9)
# Second stack
s2.push(4)
s2.push(2)
s2.push(8)
task.printStack(s1, s2)
task.addNumber(s1, s2)
print("\n Result \n")
task.printData(s1)
print("\n")
end
main()
Output
Stack 1
9 8 9
Stack 2
4 2 8
Result
1 4 1 7
/*
Scala Program for
Check if two stacks are equal
*/
// Define stack node
class StackNode(var element: Int , var next: StackNode);
// Define a custom stack
class MyStack(var top: StackNode , var size: Int)
{
def this()
{
this(null, 0);
}
// Add node at the top of stack
def push(element: Int): Unit = {
this.top = new StackNode(element, this.top);
this.size += 1;
}
def isEmpty(): Boolean = {
if (this.size > 0 && this.top != null)
{
return false;
}
else
{
return true;
}
}
// Remove top element of stack
def pop(): Unit = {
if (this.size > 0 && this.top != null)
{
var temp: StackNode = this.top;
// Change top element of stack
this.top = temp.next;
// remove previous top
temp = null;
this.size -= 1;
}
}
// return top element of stack
def peek(): Int = {
if (this.top == null)
{
return -1;
}
return this.top.element;
}
}
class Summation
{
// Perform of addition of two numbers in stack
def addNumber(s1: MyStack, s2: MyStack): Unit = {
// This is backup stack
var result: MyStack = new MyStack();
var remainder: Int = 0;
var sum: Int = 0;
while (s1.isEmpty() == false || s2.isEmpty() == false)
{
if (s1.isEmpty() == false && s2.isEmpty() == false)
{
// When both stack element exists
sum = remainder + s1.peek() + s2.peek();
s1.pop();
s2.pop();
}
else
{
if (s1.isEmpty() == false)
{
// When s1 element exists
sum = remainder + s1.peek();
s1.pop();
}
else
{
// When s2 element exists
sum = remainder + s2.peek();
s2.pop();
}
}
// Add sum into stack
result.push(sum % 10);
remainder = (sum / 10).toInt;
}
// When remainder value exists
while (remainder > 0)
{
result.push(remainder % 10);
remainder = (remainder / 10).toInt;
}
// Put result into stack s1
while (result.isEmpty() == false)
{
s1.push(result.peek());
result.pop();
}
}
// Print stack elements in reverse order
def printData(s: MyStack): Unit = {
if (s.isEmpty() == true)
{
return;
}
var data: Int = s.peek();
s.pop();
this.printData(s);
print(" " + data);
s.push(data);
}
// Handle request to print stack elements
def printStack(s1: MyStack, s2: MyStack): Unit = {
print("\n Stack 1 \n");
this.printData(s1);
print("\n Stack 2 \n");
this.printData(s2);
}
}
object Main
{
def main(args: Array[String]): Unit = {
// Create two empty stack
var task: Summation = new Summation();
var s1: MyStack = new MyStack();
var s2: MyStack = new MyStack();
// First stack
s1.push(9);
s1.push(8);
s1.push(9);
// Second stack
s2.push(4);
s2.push(2);
s2.push(8);
task.printStack(s1, s2);
task.addNumber(s1, s2);
print("\n Result \n");
task.printData(s1);
print("\n");
}
}
Output
Stack 1
9 8 9
Stack 2
4 2 8
Result
1 4 1 7
/*
Swift 4 Program for
Check if two stacks are equal
*/
// Define stack node
class StackNode
{
var element: Int;
var next: StackNode? ;
init(_ element: Int, _ top: StackNode? )
{
self.element = element;
self.next = top;
}
}
// Define a custom stack
class MyStack
{
var top: StackNode? ;
var size: Int;
init()
{
//Set node values
self.top = nil;
self.size = 0;
}
// Add node at the top of stack
func push(_ element: Int)
{
self.top = StackNode(element, self.top);
self.size += 1;
}
func isEmpty()->Bool
{
if (self.size > 0 && self.top != nil)
{
return false;
}
else
{
return true;
}
}
// Remove top element of stack
func pop()
{
if (self.size > 0 && self.top != nil)
{
var temp: StackNode? = self.top;
// Change top element of stack
self.top = temp!.next;
// remove previous top
temp = nil;
self.size -= 1;
}
}
// return top element of stack
func peek()->Int
{
if (self.top == nil)
{
return -1;
}
return self.top!.element;
}
}
class Summation
{
// Perform of addition of two numbers in stack
func addNumber(_ s1: MyStack, _ s2: MyStack)
{
// This is backup stack
let result: MyStack = MyStack();
var remainder: Int = 0;
var sum: Int = 0;
while (s1.isEmpty() == false || s2.isEmpty() == false)
{
if (s1.isEmpty() == false && s2.isEmpty() == false)
{
// When both stack element exists
sum = remainder + s1.peek() + s2.peek();
s1.pop();
s2.pop();
}
else
{
if (s1.isEmpty() == false)
{
// When s1 element exists
sum = remainder + s1.peek();
s1.pop();
}
else
{
// When s2 element exists
sum = remainder + s2.peek();
s2.pop();
}
}
// Add sum into stack
result.push(sum % 10);
remainder = sum / 10;
}
// When remainder value exists
while (remainder > 0)
{
result.push(remainder % 10);
remainder = remainder / 10;
}
// Put result into stack s1
while (result.isEmpty() == false)
{
s1.push(result.peek());
result.pop();
}
}
// Print stack elements in reverse order
func printData(_ s: MyStack)
{
if (s.isEmpty() == true)
{
return;
}
let data: Int = s.peek();
s.pop();
self.printData(s);
print(" ", data, terminator: "");
s.push(data);
}
// Handle request to print stack elements
func printStack(_ s1: MyStack , _ s2 : MyStack)
{
print("\n Stack 1 ");
self.printData(s1);
print("\n Stack 2 ");
self.printData(s2);
}
}
func main()
{
// Create two empty stack
let task: Summation = Summation();
let s1: MyStack = MyStack();
let s2: MyStack = MyStack();
// First stack
s1.push(9);
s1.push(8);
s1.push(9);
// Second stack
s2.push(4);
s2.push(2);
s2.push(8);
task.printStack(s1, s2);
task.addNumber(s1, s2);
print("\n Result ");
task.printData(s1);
print(terminator: "\n");
}
main();
Output
Stack 1
9 8 9
Stack 2
4 2 8
Result
1 4 1 7
/*
Kotlin Program for
Check if two stacks are equal
*/
// Define stack node
class StackNode
{
var element: Int;
var next: StackNode ? ;
constructor(element: Int, top: StackNode ? )
{
this.element = element;
this.next = top;
}
}
// Define a custom stack
class MyStack
{
var top: StackNode ? ;
var size: Int;
constructor()
{
//Set node values
this.top = null;
this.size = 0;
}
// Add node at the top of stack
fun push(element: Int): Unit
{
this.top = StackNode(element, this.top);
this.size += 1;
}
fun isEmpty(): Boolean
{
if (this.size > 0 && this.top != null)
{
return false;
}
else
{
return true;
}
}
// Remove top element of stack
fun pop(): Unit
{
if (this.size > 0 && this.top != null)
{
var temp: StackNode ? = this.top;
// Change top element of stack
this.top = temp?.next;
this.size -= 1;
}
}
// return top element of stack
fun peek(): Int
{
if (this.top == null)
{
return -1;
}
return this.top!!.element;
}
}
class Summation
{
// Perform of addition of two numbers in stack
fun addNumber(s1: MyStack, s2 : MyStack): Unit
{
// This is backup stack
var result: MyStack = MyStack();
var remainder: Int = 0;
var sum: Int ;
while (s1.isEmpty() == false || s2.isEmpty() == false)
{
if (s1.isEmpty() == false && s2.isEmpty() == false)
{
// When both stack element exists
sum = remainder + s1.peek() + s2.peek();
s1.pop();
s2.pop();
}
else
{
if (s1.isEmpty() == false)
{
// When s1 element exists
sum = remainder + s1.peek();
s1.pop();
}
else
{
// When s2 element exists
sum = remainder + s2.peek();
s2.pop();
}
}
// Add sum into stack
result.push(sum % 10);
remainder = sum / 10;
}
// When remainder value exists
while (remainder > 0)
{
result.push(remainder % 10);
remainder = remainder / 10;
}
// Put result into stack s1
while (result.isEmpty() == false)
{
s1.push(result.peek());
result.pop();
}
}
// Print stack elements in reverse order
fun printData(s: MyStack): Unit
{
if (s.isEmpty() == true)
{
return;
}
var data: Int = s.peek();
s.pop();
this.printData(s);
print(" " + data);
s.push(data);
}
// Handle request to print stack elements
fun printStack(s1: MyStack, s2 : MyStack): Unit
{
print("\n Stack 1 \n");
this.printData(s1);
print("\n Stack 2 \n");
this.printData(s2);
}
}
fun main(args: Array < String > ): Unit
{
// Create two empty stack
var task: Summation = Summation();
var s1: MyStack = MyStack();
var s2: MyStack = MyStack();
// First stack
s1.push(9);
s1.push(8);
s1.push(9);
// Second stack
s2.push(4);
s2.push(2);
s2.push(8);
task.printStack(s1, s2);
task.addNumber(s1, s2);
print("\n Result \n");
task.printData(s1);
print("\n");
}
Output
Stack 1
9 8 9
Stack 2
4 2 8
Result
1 4 1 7
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