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 meant by semantic error, What is meant by semantic error? Occur...

What is meant by semantic error? Occur while a statement executes and has an effect not intended through the programmer and Frequently times occur only in unusual & infrequent

Cross platform stock market game, Cross platform stock market game Proje...

Cross platform stock market game Project Description: I want someone to develop a simple stock market game. This will mainly be a facebook and android app, face book being mo

About object, How memory allocated for a object

How memory allocated for a object

Explain the execute phase of java program development, Explain the Execute ...

Explain the Execute phase of Java Program Development Finally in phase computer, under the control of its CPU, interprets program one bytecode at a time. Hence performing

How to display validation errors on jsp page, tag shows all the errors. i...

tag shows all the errors. iterates over ActionErrors request attribute.

Develop contact list application, Develop Contact list application Proje...

Develop Contact list application Project Description: Prepare a computer application to help employees manage their contact list. Users must be able to store two kinds of con

Create a gui in java, Fill in the necessary parts to create a GUI that use...

Fill in the necessary parts to create a GUI that uses the CardDeck class.  In your GUI you should have a text field for each hand, two buttons and a text area.   Your program s

State the java virtual machine and runtime environment, Java Virtual Machin...

Java Virtual Machine & Runtime Environment Basic Concept When you write a program in C++ it's called source code. C++ compiler converts this source code into the machine c

Describe about basic java programming language, Describe about basic java p...

Describe about basic java programming language? 1. Study the Java programming language: its syntax, patterns, idioms, and styles. 2. Become comfortable along with object orien

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