By | 29.11.2016

# Reverse Stack using Recursion

Write a C Program to Reverse Stack using Recursion. Here’s simple Program to Reverse Stack using Recursion in C Programming Language.

## Recursion : :

• Recursion is the process of repeating items in a self-similar way. In programming languages, if a program allows you to call a function inside the same function, then it is called a recursive call of the function.
• The C programming language supports recursion, i.e., a function to call itself. But while using recursion, programmers need to be careful to define an exit condition from the function, otherwise it will go into an infinite loop.
• Recursive functions are very useful to solve many mathematical problems, such as calculating the factorial of a number, generating Fibonacci series, etc.

## Problem : :

This C program, using recursion, reverses a stack content. Stack here is represented using a linked list. A linked list is an ordered set of data elements, each containing a link to its successor.

Here is the source code of the C Program to Reverse Stack using Recursion. The C Program is successfully compiled and run on a Windows system. The program output is also shown below.

### SOURCE CODE : :

```/*  C Program to Reverse Stack using Recursion  */

#include <stdio.h>
#include <stdlib.h>

struct node
{
int a;
struct node *next;
};

void generate(struct node **);
void display(struct node *);
void stack_reverse(struct node **, struct node **);
void delete(struct node **);

int main()
{

printf("\nThe sequence of contents in stack : \n");
printf("\n\nInversing the contents of the stack\n");
{
}
printf("\nThe contents in stack after reversal\n");

return 0;
}

{
struct node *temp;

{
}
}

{
{
}
}

{
int num, i;
struct node *temp;

printf("Enter length of list: ");
scanf("%d", &num);
for (i = num; i > 0; i--)
{
temp = (struct node *)malloc(sizeof(struct node));
temp->a = i;
{
}
else
{
}
}
}

{
struct node *temp;
{
free(temp);
}
}```

### Output:

```/*  C Program to Reverse Stack using Recursion  */

Enter length of list: 8

The sequence of contents in stack :
1  2  3  4  5  6  7  8

Inversing the contents of the stack

The contents in stack after reversal
8  7  6  5  4  3  2  1

Process returned 0```

Above is the source code for C Program to Reverse Stack using Recursion which is successfully compiled and run on Windows System.The Output of the program is shown above .

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