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

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

What happens while a derived-class object is developed, What happens while ...

What happens while a derived-class object is developed & destroyed? A: Space is allocated (on the heap or the stack) for the full object (i.e. adequate space to store the data m

Write a program to calculate the average of ten numbers, Write a program to...

Write a program to calculate the average of ten numbers       #include stdio.h     /* Only this header is needed since only IO are used */     void main()     {          char

Define the self-referential structures, Define the Self-Referential Structu...

Define the Self-Referential Structures? It is occasionally desirable to include within a structure one member that is a pointer to the parent structure type. Generally in terms

Explain virtual base classes, Virtual Base Classes This ambiguity can b...

Virtual Base Classes This ambiguity can be resolved if the class derived have only one copy of the class base. This can be done by making the base class a virtual class. This k

#pointers, what is the purpose of pointer ? what is the syntax? how it work...

what is the purpose of pointer ? what is the syntax? how it works?

#title.need help finising a pseudo code, I have to make a program that allo...

I have to make a program that allow the user input 10 numbers between 10 and 100 and if the number input is the same than the last number, should appear an error message. I have th

Super ASCII string cost, A string S is said to be "Super ASCII", if it cont...

A string S is said to be "Super ASCII", if it contains the character frequency equal to their ascii values. String will contain only lower case alphabets (''a''-''z'') and the asci

COMPUTER, THEORY OF COMPUTER PROGRAMMING

THEORY OF COMPUTER PROGRAMMING

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