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

Do i require checking for null before delete p?, No. it's not required T...

No. it's not required The C++ language guarantees that delete p will do nothing if p is equivalent to NULL. As you might get the test backwards, and as most testing methodologie

Program decision making instructions, Within programs we very often want to...

Within programs we very often want to execute a different section of code, depending upon various conditions within C the If statement is used to achieve this. The If statement con

Program to convert compass heading in degrees , Convert compass heading in ...

Convert compass heading in degrees (0-360 degrees)to compass bearing. A compass bearing consist of three items namely: a.The direction you face (North or South) b.An angle betwe

Array, Write a program to count the prime number in array

Write a program to count the prime number in array

Pebble merchant, 3 kilograms of peebles are needed for converting an area o...

3 kilograms of peebles are needed for converting an area of 1 square meter.the rate of the peeble is 5 per kilogram

Statistical and Numerical methods using C++–, An experiment succeeds twice ...

An experiment succeeds twice as often as it fails. Find the chance that in the next six trials there will be at least four successes.

Expression in c++, expression and its types with example programs

expression and its types with example programs

When should you employ multiple inheritance?, Q: When should you employ mul...

Q: When should you employ multiple inheritance? A:There  are  three  acceptable  answers:-  "Rarely," "Never," and  "while  the  problem  domain cannot be modeled accurately any

Exceptions handling in cpp, Exceptions. Your SVector class should throw fou...

Exceptions. Your SVector class should throw four exceptions: 3.1. If the constructor size is invalid, then it will just allow the implicit STL bad_alloc exception to pass up to mai

Write a program to illustrate the call by reference, Write a Program to ill...

Write a Program to illustrate the Call by Reference? Here is an illustration: #include . int compute_sum(int *n); int main( void) { int n=3, sum; printf("%d\n",n); /

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