How to print array from the last using recursion (C++ Tutorial)

Print array from the last using recursion

DisplayFromLast() take 3 input parameters; first is the string to display, second is the index which refers to each location of the array starting from 0 to size, and the third is the size of the string. And it display the string from the last.

Code of DisplayFromLast()

void DisplayFromLast( char str[] , int i , int size )

{

      if ( i < size )

      {

            DisplayFromLast( str , i + 1 , size );

            cout << str[i];

      }

}

Summary of DisplayFromLast()

DisplayFromLast() is a recursive function which calls itself again and again till the current index i approaches to the size of the string.

Example (C++)

#include "stdafx.h"

#include "iostream"

#include "conio.h"

using namespace std;

void DisplayFromLast( char str[] , int i , int size )

{

      if ( i < size )

      {

            DisplayFromLast( str , i + 1 , size );

            cout << str[i];

      }

}

int main()

{

      char str[]="Saad Bin Saulat";

     

      DisplayFromLast( str , 0 , strlen( str ) );

      _getche();

      return 0;

}

Output

taluaS niB daaS