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

What is jar archives, What is JAR archives? JAR archives are ZIP archiv...

What is JAR archives? JAR archives are ZIP archives along with a different extension. They contain a hierarchy of files and directories. In spirit a JAR file can take the place

What do you mean through ftp or file transfer protocol, What do you mean th...

What do you mean through FTP or File Transfer Protocol? FTP: File transfer protocol was first introduced in the year of 1973; it standardized the transfer of files among comp

What is the jsf, JavaServer Faces(JSF) is a framework for building web-base...

JavaServer Faces(JSF) is a framework for building web-based user interface in Java. Unlike Swing, JSF provides widgets like buttons, hyperlinks, checkboxes, etc. in dissimilar ways

Want a page to store emails when click as save, Want a page to store emails...

Want a page to store emails when click as save, then pass along to another page with the emails in the URL Project Description: I have a page that populates with listing; the

Program to create 5 objects and get them interact together, In this assignm...

In this assignment, you will create 5 objects and get them to interact together. You will create theatres for which patrons will buy tickets from a box office to watch movies.

How to returning multiple values from methods, How to Returning Multiple Va...

How to Returning Multiple Values From Methods ? It is not probable to return more than one value from techniques. You cannot, for example, return the licensePlate, speed and m

The characteristics of rup? , 1. RUP is relying on a few important principl...

1. RUP is relying on a few important principles and philosophies like planning ahead, knowing where the process is capturing and heading the project in extensible and storable mann

Mobile pop-under script for mobile browsers, Project Description: Give a...

Project Description: Give a script that will produce a pop-under on a mobile landing page -We can host our own landing page and we will want to change the destination URL for

Netbeans, how can i create an E-exam application on netbeans

how can i create an E-exam application on netbeans

I need to make clone of an android app, I need to Make clone of an Android ...

I need to Make clone of an Android app Project Description: Make a total duplicate of the App: Camp and RV Campgrounds Plus The only difference will be the name (as it

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