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

External links to files, Somehow, the worksheet has external links to files...

Somehow, the worksheet has external links to files that are no longer around. How can we delete the links? Ans) This happens all of the time to MrExcel. I downloaded a little

Single instruction and single data stream (sisd), Single Instruction and Si...

Single Instruction and Single Data stream (SISD) In this organisation, sequential implementation of instructions is executed by one CPU having a single processing element (PE

Handling a page in memory - computer architecture, Handling a Page: ...

Handling a Page: Typical page size today are 4 kb to 16 kb ,having tendency to use even larger page sized Organization that reduce the page fault rate are striking (comp

What is an assembler, An assembler is? Ans. An assembler is Machine dep...

An assembler is? Ans. An assembler is Machine dependant.

Why we need to construct state transition diagram, Why we need to construct...

Why we need to construct state transition diagram Basically you need to construct a state transition diagram for each object with important behaviour. You need not construct on

Cn, What is the basic requirement for establishing VLANs?

What is the basic requirement for establishing VLANs?

Define compilers and interpreters with high level language, Define compiler...

Define compilers and interpreters with high level language? Both compilers and interpreters are available for most high-level languages. Though LISP and BASIC are in particular

Example of bitwise-and operator, Example of Bitwise-AND Operator In the...

Example of Bitwise-AND Operator In the following example, the bitwise-AND operator (&) compares the bits of two integers, nNumA and nNumB: // Example of the bitwise-AND oper

Need of the assembly language, Q. Need of the assembly language ? Machi...

Q. Need of the assembly language ? Machine language code comprises the 0-1 combinations which computer decodes directly.  Though the machine language has the following problems

Biometric systems for implementing client server network, Discuss password ...

Discuss password schemes and Biometric systems for implementing client server network security.          In cyberspace, buyers & sellers cannot see each other. Also in video con

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