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

Assignment 1, student are required to construct classes for circle,triangle...

student are required to construct classes for circle,triangle,trapezium and kite.

Garbage collection model, This assignment is about experimenting with the J...

This assignment is about experimenting with the Java runtime system's garbage collection model, and comparing it with the C++ manual memory allocation model. Below is the Garbage J

Translate four row solitaires from java swing to android, Translate Four Ro...

Translate Four Row Solitaires from Java Swing to Android. Project Description: There is a product known Four Row Solitaire listed in GitHub. I would like Swing GUI to be repl

Opps Concepts, 300 words on oops and 1 program for each concepts

300 words on oops and 1 program for each concepts

I want crime management website, I want Crime Management website Project...

I want Crime Management website Project Description: It is a web based project build in J2EE as front end and Oracle as back end for peoples so they will register complaints

What are the core classes of the struts framework, Struts is a set of coope...

Struts is a set of cooperating classes, servlets, and JSP tags that make up a reusable MVC 2 design. ? JavaBeans components for managing application state and behavior. ? Eve

I want customize tumblr theme, I need Customize Tumblr theme Project Des...

I need Customize Tumblr theme Project Description: I have a blog here I would like to customize it as follows; 1) Modify the horizontal navigation from the bottom of th

I need java coding, I need Java coding Need to develop a website. Requir...

I need Java coding Need to develop a website. Require Java coder's urgently. Skills required: HTML, Graphic Design, Java, PHP, Website Design

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