Stock Span Problem
Here given code implementation process.
// C program
// The Stock Span Problem
#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");
}
}
//Create a new node of stack
struct StackNode *newNode(int element, struct StackNode *next)
{
//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 = next;
}
return node;
}
// 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)
{
// Add stack element
stack->top = newNode(element, stack->top);
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--;
}
}
// Calculating the stock span
void findSpan(int rates[], int stockspan[], int days)
{
// Create an stack
struct MyStack *stack = newStack();
// Set initial value
stockspan[0] = 1;
push(stack, 0);
// iterating through the days
for (int i = 1; i < days; ++i)
{
while (isEmpty(stack) == 0 && rates[peek(stack)] <= rates[i])
{
// When the top of stack element is less than equal to rates of i location
pop(stack);
}
if (isEmpty(stack) == 1)
{
//When stack is empty
stockspan[i] = i + 1;
}
else
{
stockspan[i] = i - peek(stack);
}
// Add element into stack
push(stack, i);
}
}
// Display calculate elements
void display(int stockspan[], int days)
{
for (int i = 0; i < days; ++i)
{
// Print elements
printf(" %d", stockspan[i]);
}
printf("\n");
}
int main()
{
int rates[] = {
7 , 13 , 25 , 12 , 41 , 9
};
// Get the number of elements
int days = sizeof(rates) / sizeof(rates[0]);
int stockspan[days];
findSpan(rates, stockspan, days);
display(stockspan, days);
return 0;
}
Output
1 2 3 1 5 1
/*
Java Program
The Stock Span Problem
*/
// Define stack node
class StackNode
{
public int element;
public StackNode next;
public StackNode(int element, StackNode next)
{
this.element = element;
this.next = next;
}
}
// 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()
{
return this.top.element;
}
}
public class StockSpanProblem
{
// Calculating the stock span
public void findSpan(int[] rates, int[] stockspan, int days)
{
// Create an stack
MyStack stack = new MyStack();
// Set initial value
stockspan[0] = 1;
stack.push(0);
// iterating through the days
for (int i = 1; i < days; ++i)
{
while (stack.isEmpty() == false && rates[stack.peek()] <= rates[i])
{
// When the top of stack element is less than equal to rates of i location
stack.pop();
}
if (stack.isEmpty() == true)
{
//When stack is empty
stockspan[i] = i + 1;
}
else
{
stockspan[i] = i - stack.peek();
}
// Add element into stack
stack.push(i);
}
}
// Display calculate elements
public void display(int[] stockspan, int days)
{
for (int i = 0; i < days; ++i)
{
// Print elements
System.out.print(" " + stockspan[i]);
}
System.out.print("\n");
}
public static void main(String[] args)
{
StockSpanProblem task = new StockSpanProblem();
int[] rates = {
7 , 13 , 25 , 12 , 41 , 9
};
// Get the number of elements
int days = rates.length;
int[] stockspan = new int[days];
task.findSpan(rates, stockspan, days);
task.display(stockspan, days);
}
}
Output
1 2 3 1 5 1
// Include header file
#include <iostream>
using namespace std;
/*
C++ Program
The Stock Span Problem
*/
// Define stack node
class StackNode
{
public:
int element;
StackNode *next;
StackNode(int element, StackNode *next)
{
this->element = element;
this->next = next;
}
};
// 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
delete temp;
temp = NULL;
this->size--;
}
}
// return top element of stack
int peek()
{
return this->top->element;
}
};
class StockSpanProblem
{
public:
// Calculating the stock span
void findSpan(int rates[], int stockspan[], int days)
{
// Create an stack
MyStack stack = MyStack();
// Set initial value
stockspan[0] = 1;
stack.push(0);
// iterating through the days
for (int i = 1; i < days; ++i)
{
while (stack.isEmpty() == false && rates[stack.peek()] <= rates[i])
{
// When the top of stack element is less than equal to rates of i location
stack.pop();
}
if (stack.isEmpty() == true)
{
//When stack is empty
stockspan[i] = i + 1;
}
else
{
stockspan[i] = i - stack.peek();
}
// Add element into stack
stack.push(i);
}
}
// Display calculate elements
void display(int stockspan[], int days)
{
for (int i = 0; i < days; ++i)
{
// Print elements
cout << " " << stockspan[i];
}
cout << "\n";
}
};
int main()
{
StockSpanProblem task = StockSpanProblem();
int rates[] = {
7 , 13 , 25 , 12 , 41 , 9
};
// Get the number of elements
int days = sizeof(rates) / sizeof(rates[0]);
int stockspan[days];
task.findSpan(rates, stockspan, days);
task.display(stockspan, days);
return 0;
}
Output
1 2 3 1 5 1
// Include namespace system
using System;
/*
C# Program
The Stock Span Problem
*/
// Define stack node
public class StackNode
{
public int element;
public StackNode next;
public StackNode(int element, StackNode next)
{
this.element = element;
this.next = next;
}
}
// 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()
{
return this.top.element;
}
}
public class StockSpanProblem
{
// Calculating the stock span
public void findSpan(int[] rates, int[] stockspan, int days)
{
// Create an stack
MyStack stack = new MyStack();
// Set initial value
stockspan[0] = 1;
stack.push(0);
// iterating through the days
for (int i = 1; i < days; ++i)
{
while (stack.isEmpty() == false && rates[stack.peek()] <= rates[i])
{
// When the top of stack element is less than equal to rates of i location
stack.pop();
}
if (stack.isEmpty() == true)
{
//When stack is empty
stockspan[i] = i + 1;
}
else
{
stockspan[i] = i - stack.peek();
}
// Add element into stack
stack.push(i);
}
}
// Display calculate elements
public void display(int[] stockspan, int days)
{
for (int i = 0; i < days; ++i)
{
// Print elements
Console.Write(" " + stockspan[i]);
}
Console.Write("\n");
}
public static void Main(String[] args)
{
StockSpanProblem task = new StockSpanProblem();
int[] rates = {
7 , 13 , 25 , 12 , 41 , 9
};
// Get the number of elements
int days = rates.Length;
int[] stockspan = new int[days];
task.findSpan(rates, stockspan, days);
task.display(stockspan, days);
}
}
Output
1 2 3 1 5 1
<?php
/*
Php Program
The Stock Span Problem
*/
// Define stack node
class StackNode
{
public $element;
public $next;
function __construct($element, $next)
{
$this->element = $element;
$this->next = $next;
}
}
// 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()
{
return $this->top->element;
}
}
class StockSpanProblem
{
// Calculating the stock span
public function findSpan( & $rates, & $stockspan, $days)
{
// Create an stack
$stack = new MyStack();
// Set initial value
$stockspan[0] = 1;
$stack->push(0);
// iterating through the days
for ($i = 1; $i < $days; ++$i)
{
while ($stack->isEmpty() == false && $rates[$stack->peek()] <= $rates[$i])
{
// When the top of stack element is less than equal to rates of i location
$stack->pop();
}
if ($stack->isEmpty() == true)
{
//When stack is empty
$stockspan[$i] = $i + 1;
}
else
{
$stockspan[$i] = $i - $stack->peek();
}
// Add element into stack
$stack->push($i);
}
}
// Display calculate elements
public function display( & $stockspan, $days)
{
for ($i = 0; $i < $days; ++$i)
{
// Print elements
echo " ". $stockspan[$i];
}
echo "\n";
}
}
function main()
{
$task = new StockSpanProblem();
$rates = array(7, 13, 25, 12, 41, 9);
// Get the number of elements
$days = count($rates);
$stockspan = array_fill(0, $days, 0);
$task->findSpan($rates, $stockspan, $days);
$task->display($stockspan, $days);
}
main();
Output
1 2 3 1 5 1
/*
Node Js Program
The Stock Span Problem
*/
// Define stack node
class StackNode
{
constructor(element, next)
{
this.element = element;
this.next = next;
}
}
// 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()
{
return this.top.element;
}
}
class StockSpanProblem
{
// Calculating the stock span
findSpan(rates, stockspan, days)
{
// Create an stack
var stack = new MyStack();
// Set initial value
stockspan[0] = 1;
stack.push(0);
// iterating through the days
for (var i = 1; i < days; ++i)
{
while (stack.isEmpty() == false && rates[stack.peek()] <= rates[i])
{
// When the top of stack element is less than equal to rates of i location
stack.pop();
}
if (stack.isEmpty() == true)
{
//When stack is empty
stockspan[i] = i + 1;
}
else
{
stockspan[i] = i - stack.peek();
}
// Add element into stack
stack.push(i);
}
}
// Display calculate elements
display(stockspan, days)
{
for (var i = 0; i < days; ++i)
{
// Print elements
process.stdout.write(" " + stockspan[i]);
}
process.stdout.write("\n");
}
}
function main()
{
var task = new StockSpanProblem();
var rates = [7, 13, 25, 12, 41, 9];
// Get the number of elements
var days = rates.length;
var stockspan = Array(days).fill(0);
task.findSpan(rates, stockspan, days);
task.display(stockspan, days);
}
main();
Output
1 2 3 1 5 1
# Python 3 Program
# The Stock Span Problem
# Define stack node
class StackNode :
def __init__(self, element, next) :
self.element = element
self.next = next
# 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) :
return self.top.element
class StockSpanProblem :
# Calculating the stock span
def findSpan(self, rates, stockspan, days) :
# Create an stack
stack = MyStack()
# Set initial value
stockspan[0] = 1
stack.push(0)
i = 1
# iterating through the days
while (i < days) :
while (stack.isEmpty() == False and rates[stack.peek()] <= rates[i]) :
# When the top of stack element is less than equal to rates of i location
stack.pop()
if (stack.isEmpty() == True) :
# When stack is empty
stockspan[i] = i + 1
else :
stockspan[i] = i - stack.peek()
# Add element into stack
stack.push(i)
i += 1
# Display calculate elements
def display(self, stockspan, days) :
i = 0
while (i < days) :
# Print elements
print(" ", stockspan[i], end = "")
i += 1
print(end = "\n")
def main() :
task = StockSpanProblem()
rates = [7, 13, 25, 12, 41, 9]
# Get the number of elements
days = len(rates)
stockspan = [0] * (days)
task.findSpan(rates, stockspan, days)
task.display(stockspan, days)
if __name__ == "__main__": main()
Output
1 2 3 1 5 1
# Ruby Program
# The Stock Span Problem
# 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()
return self.top.element
end
end
class StockSpanProblem
# Calculating the stock span
def findSpan(rates, stockspan, days)
# Create an stack
stack = MyStack.new()
# Set initial value
stockspan[0] = 1
stack.push(0)
i = 1
# iterating through the days
while (i < days)
while (stack.isEmpty() == false && rates[stack.peek()] <= rates[i])
# When the top of stack element is less than equal to rates of i location
stack.pop()
end
if (stack.isEmpty() == true)
# When stack is empty
stockspan[i] = i + 1
else
stockspan[i] = i - stack.peek()
end
# Add element into stack
stack.push(i)
i += 1
end
end
# Display calculate elements
def display(stockspan, days)
i = 0
while (i < days)
# Print elements
print(" ", stockspan[i])
i += 1
end
print("\n")
end
end
def main()
task = StockSpanProblem.new()
rates = [7, 13, 25, 12, 41, 9]
# Get the number of elements
days = rates.length
stockspan = Array.new(days) {0}
task.findSpan(rates, stockspan, days)
task.display(stockspan, days)
end
main()
Output
1 2 3 1 5 1
/*
Scala Program
The Stock Span Problem
*/
// 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 = {
return this.top.element;
}
}
class StockSpanProblem
{
// Calculating the stock span
def findSpan(rates: Array[Int], stockspan: Array[Int], days: Int): Unit = {
// Create an stack
var stack: MyStack = new MyStack();
// Set initial value
stockspan(0) = 1;
stack.push(0);
var i: Int = 1;
// iterating through the days
while (i < days)
{
while (stack.isEmpty() == false && rates(stack.peek()) <= rates(i))
{
// When the top of stack element is less than equal to rates of i location
stack.pop();
}
if (stack.isEmpty() == true)
{
//When stack is empty
stockspan(i) = i + 1;
}
else
{
stockspan(i) = i - stack.peek();
}
// Add element into stack
stack.push(i);
i += 1;
}
}
// Display calculate elements
def display(stockspan: Array[Int], days: Int): Unit = {
var i: Int = 0;
while (i < days)
{
// Print elements
print(" " + stockspan(i));
i += 1;
}
print("\n");
}
}
object Main
{
def main(args: Array[String]): Unit = {
var task: StockSpanProblem = new StockSpanProblem();
var rates: Array[Int] = Array(7, 13, 25, 12, 41, 9);
// Get the number of elements
var days: Int = rates.length;
var stockspan: Array[Int] = Array.fill[Int](days)(0);
task.findSpan(rates, stockspan, days);
task.display(stockspan, days);
}
}
Output
1 2 3 1 5 1
/*
Swift 4 Program
The Stock Span Problem
*/
// Define stack node
class StackNode
{
var element: Int;
var next: StackNode? ;
init(_ element: Int, _ next: StackNode? )
{
self.element = element;
self.next = next;
}
}
// 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
{
return self.top!.element;
}
}
class StockSpanProblem
{
// Calculating the stock span
func findSpan(_ rates: [Int], _ stockspan: inout[Int], _ days: Int)
{
// Create an stack
let stack: MyStack = MyStack();
// Set initial value
stockspan[0] = 1;
stack.push(0);
var i: Int = 1;
// iterating through the days
while (i < days)
{
while (stack.isEmpty() == false && rates[stack.peek()] <= rates[i])
{
// When the top of stack element is less than equal to rates of i location
stack.pop();
}
if (stack.isEmpty() == true)
{
//When stack is empty
stockspan[i] = i + 1;
}
else
{
stockspan[i] = i - stack.peek();
}
// Add element into stack
stack.push(i);
i += 1;
}
}
// Display calculate elements
func display(_ stockspan: [Int], _ days: Int)
{
var i: Int = 0;
while (i < days)
{
// Print elements
print(" ", stockspan[i], terminator: "");
i += 1;
}
print(terminator: "\n");
}
}
func main()
{
let task: StockSpanProblem = StockSpanProblem();
let rates: [Int] = [7, 13, 25, 12, 41, 9];
// Get the number of elements
let days: Int = rates.count;
var stockspan: [Int] = Array(repeating: 0, count: days);
task.findSpan(rates, &stockspan, days);
task.display(stockspan, days);
}
main();
Output
1 2 3 1 5 1
/*
Kotlin Program
The Stock Span Problem
*/
// Define stack node
class StackNode
{
var element: Int;
var next: StackNode ? ;
constructor(element: Int, next: StackNode ? )
{
this.element = element;
this.next = next;
}
}
// 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
{
return this.top!!.element;
}
}
class StockSpanProblem
{
// Calculating the stock span
fun findSpan(rates: Array<Int>, stockspan: Array<Int>, days: Int): Unit
{
// Create an stack
var stack: MyStack = MyStack();
// Set initial value
stockspan[0] = 1;
stack.push(0);
var i: Int = 1;
// iterating through the days
while (i<days)
{
while (stack.isEmpty() == false && rates[stack.peek()] <= rates[i])
{
// When the top of stack element is less than equal to rates of i location
stack.pop();
}
if (stack.isEmpty() == true)
{
//When stack is empty
stockspan[i] = i + 1;
}
else
{
stockspan[i] = i - stack.peek();
}
// Add element into stack
stack.push(i);
i += 1;
}
}
// Display calculate elements
fun display(stockspan: Array<Int>, days: Int): Unit
{
var i: Int = 0;
while (i<days)
{
// Print elements
print(" " + stockspan[i]);
i += 1;
}
print("\n");
}
}
fun main(args: Array<String>): Unit
{
var task: StockSpanProblem = StockSpanProblem();
var rates: Array<Int> = arrayOf(7, 13, 25, 12, 41, 9);
// Get the number of elements
var days: Int = rates.count();
var stockspan: Array<Int> = Array(days)
{
0
};
task.findSpan(rates, stockspan, days);
task.display(stockspan, days);
}
Output
1 2 3 1 5 1
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