Padovan string , C/C++ Programming

Assignment Help:

write a program that counts the number of occurences of the string in the n-th Padovan string P(n)

program in java

// aakash , suraj , prem sasi kumar kamaraj college
program 1 :

package test.padovanstring;

public class PadovanString {
    public int stringOccurrences(int n, String str){
   
    if(n >= 40)
    return -1;
    if(str.replaceAll("X|Y|Z","").length()>0)
    return -1;
    String res=pad(n);
    return(res.length() - res.replaceAll(str,"").length())/(str.length());
    }
public String pad(int n){
    if(n == 0) return "X";
    if(n == 1) return "Y";
    if(n == 2) return "Z";
    else return pad(n-2) + pad(n-3);
   
}
    public static void main(String []args)
    {
        PadovanString p = new PadovanString();
        System.out.println(p.stringOccurrences(21,"YZ"));
    }
}

 

 

 

Program set 2 :

import java.util.Scanner;

import java.util.ArrayList;

 

public class PadovanSeries

{

    public static void main(String[] arg)

    {

        Scanner read = new Scanner(System.in);

        System.out.println("Enter starting no. : ");

        int start = read.nextInt();

        System.out.println("Enter ending no. : ");

        int end = read.nextInt();

        int[] ans = getSeries(start, end);

        System.out.println("Padovan series : ");

        for (int a : ans)

            System.out.print(a + " ");

    }

 

    public static int[] getSeries(int s, int e)

    {

        ArrayList list = new ArrayList();

        int i, j = 0;

        for (i = s; i <= e; i++, j++)

            list.add(getPadovan(i));

        int[] ans = new int[j];

        for (i = 0; i < j; i++)

            ans[i] = list.get(i);

        return ans;

    }

 

    public static int getPadovan(int p)

    {

        if (p == 0 || p == 1 || p == 2)

            return 1;

        return (getPadovan(p - 2) + getPadovan(p - 3));

    }

}

 

Padova


Related Discussions:- Padovan string

Define generic bitwise operations, Define Generic Bitwise Operations? ...

Define Generic Bitwise Operations? Bitwise operators only work on an incomplete number of types int and char. It turns out there's above one kind of int. In particular there's

#palindrome, replace character into string and return value of string that ...

replace character into string and return value of string that are replaced

What is an explicit constructor, A conversion constructor declared with the...

A conversion constructor declared with the explicit keyword. The compiler does not use an explicit constructor to execute an implied conversion of types. Its purpose is reserved ex

Define passing structure to a function, Define Passing Structure to a Funct...

Define Passing Structure to a Function? A structure is able to be passed as a function argument identical to any other variable. If we are merely interested in one member of a

Class, array of class objects and single inheritance

array of class objects and single inheritance

Arrays, how to declare multi dimensional array

how to declare multi dimensional array

What is the difference between structure and class, What is the difference ...

What is the difference between structure and class? - Members of structures are public while those of a class are private. - Classes provide data hiding while structures don

Constructors and methods program, To complete this assignment, edit the fol...

To complete this assignment, edit the following constructors and methods: 1. public MaxPQ(Key[] keys) - change the following loop for (int k = N/2; k >= 1; k--) sink(k);

Why should i employ new instead of truthful old malloc()?, Why should I emp...

Why should I employ new instead of truthful old malloc()? A: Constructors/destructors, type safety, overridability. Constructors/destructors: unlike malloc(sizeof(Fred)), new

Last ant on rod, You are given a collection of words, say as in a dictionar...

You are given a collection of words, say as in a dictionary. You can represent it in the following compressed form: the first word will be followed by a sequence of a pair of numbe

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd