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

Implementation of the dictionary class, Implementation of the Dictionary cl...

Implementation of the Dictionary class: int Dictionary::find_word(char *s) {    char word[81];    for (int i = 0; i       if (stricmp(words[i].get_word(word),s) =

Vogels approximation transportation problem, Vogels approximation transport...

Vogels approximation transportation problem in c language source code

Program that calculates bowling scores, Homework – Chapter 5 – Bowling Scor...

Homework – Chapter 5 – Bowling Scores 33. Write a complete C++ program to do the following: The main program reads in and prints three bowling scores, score1, score2, and score

Data types, #question write a prog c & cpp

#question write a prog c & cpp

How do i allocate multidimensional arrays by new?, How do I allocate multid...

How do I allocate multidimensional arrays by new? A: There are several ways to do this, based on how flexible you wish the array sizing to be. On one acute, if you know all the

Program of function overloading in c++ , Program of function overloading: ...

Program of function overloading: class vector{                 private :                 int v[3];                   public:                 /*friend istream &

Prime no., program to find if a no . is prime or not

program to find if a no . is prime or not

Change to palindrome, A palindrome is a string that reads the same from bot...

A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindrome

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