PadovanString, JAVA Programming

Assignment Help:

write a program that counts the number of occurrences 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:- PadovanString

Demonstrate your ability to ability to use java data , Purpose Demonstr...

Purpose Demonstrate your ability to ability to use Java data and control structures. Draw with the aid of conditionals and loops. Background Thought A note on comments:

Demonstrate java client and server , There is no separate homework this wee...

There is no separate homework this week, but you may complete the exercises ahead of time, in which case you only need to attend for long enough to get your work marked off by your

We require responsible and serious programmer, We require responsible and s...

We require responsible and serious programmer Project Description: Big Data and On-line tools Website Liferay - JAVA - Portlets - JSP and JSF Skills required: J2EE,

Difference between object state and behavior, What is difference between ob...

What is difference between object state and behavior? Ans) If you change the state of an object, you ask it to perform a behavior. An object kept its states in a field e.g. vari

Explain testing for equality with equals, Explain Testing for Equality with...

Explain Testing for Equality with equals? That's not what you expected. To contrast strings or any other kind of object you required to use the equals(Object o) techniques from

JAVA Fundamentals, 15. Energy Drink Consumption A soft drink company recent...

15. Energy Drink Consumption A soft drink company recently surveyed 12,467 of its customers and found that approximately 14 percent of those surveyed purchase one or more energy dr

What is resuscitation trolley explain their features, What is Resuscitation...

What is Resuscitation Trolley explain their features? A proper resuscitation kit is mandatory for the ICU. In addition to trolleys that can be moved around the ICU there should

What is jdbc abstraction and dao module, Using this module we can keep up t...

Using this module we can keep up the database code clean and easy, and prevent problems that result from a failure to close database resources. A new layer of meaningful exceptions

GUI, I have a GUI assignment due Friday noon and i can''t get my hand on it...

I have a GUI assignment due Friday noon and i can''t get my hand on it will anyone be able to solve it to me and what is the cost?

Luminous Jewels - The Polishing Game, Byteland county is very famous for lu...

Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec

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