padovan string, Computer Engineering

Assignment Help:

how to write this program,what are the declaration and function are needed in java

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

What are the five popular hashing functions, Five popular hashing functions...

Five popular hashing functions are as follows:- Division Method Midsquare Method Folding Method Multiplicative method Digit Analysis

Setjmp and longjmp, How does throwing and catching exceptions differ from u...

How does throwing and catching exceptions differ from using setjmp and longjmp? Ans) The throw operation calls the destructors for automatic objects instantiated as entry to th

Describe target processor arrangements, Q. Describe target processor arrang...

Q. Describe target processor arrangements? Having seen how to describe one or more target processor arrangements we need to initiate mechanisms for distributing data arrays ove

What are inertial and non-inertial frame of references, Q. What are inertia...

Q. What are inertial and non-inertial frame of references? (i) Inertial (or) unaccelerated frames: Bodies in this frame follow Newton's law of intertia as well as othe

What are the uses of interactive reporting, What are the uses of interactiv...

What are the uses of interactive reporting? The user can actively control data retrieval and show during the session.  Instead of an extensive and detailed list, you make a ba

Unit resolution, Unit Resolution: By assuming that we knew the sentenc...

Unit Resolution: By assuming that we knew the sentence as "Tony Blair is prime minister or may the moon is made of blue cheese", is true or we later found out that the moon is

Formal analysis of visual elements, Formal Analysis: The second step o...

Formal Analysis: The second step of the art critiquing process often begins with an analysis of the artworks formal elements and how they are the organised. The formal elem

Domains of artificial intelligence, The major domains of AI research and...

The major domains of AI research and development. AI applications can be grouped under three major areas cognitive science robotics and natural interfaces though these class

Enginering mechanics, if 2 forces are equal at an angle alpha between them...

if 2 forces are equal at an angle alpha between them - its resultant R and its direction

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