Program to print series 1 2 5 8 15 28 51 94 ...N

Problem statement:- Program to print series 1 2 5 8 15 28 51 94 ...N.

Data requirement:-

   Input Data:- n

  Output Data:-d

  Additional Data:- i, a, b, c

Program in C
  

Here is the source code of the C Program to print series 1 2 5 8 15 28 51 94 ...N.

Code:

#include<stdio.h>

int main()

{

    int n,i;

    printf("Enter the range of number(Limit):");

    scanf("%d",&n);

     if(n >=1)

      printf("1 ");

    if(n>=2)

        printf("2 ");

    if(n >=3)

       printf("5 ");

         int a = 1;

         int b = 2;

         int c = 5;

         int d;

         for(i=4;i<=n;i++)

         {

             d = a+b+c;

             a = b;

             b = c;

             c = d;

             printf("%d ",d);

         }

}

Input/Output:

Enter the range of number(Limit):8

1 2 5 8 15 28 51 94

Program in C++

Here is the source code of the C++ Program to print series 1 2 5 8 15 28 51 94 ...N.

Code:

#include<iostream>

using namespace std;

int main()

{

    int n,i;

    cout<<"Enter the range of number(Limit):";

    cin>>n;

     if(n >=1)

      cout<<1<<" ";

    if(n>=2)

        cout<<2<<" ";

    if(n >=3)

       cout<<5<<" ";

         int a = 1;

         int b = 2;

         int c = 5;

         int d;

         for(i=4;i<=n;i++)

         {

             d = a+b+c;

             a = b;

             b = c;

             c = d;

             cout<<d<<" ";

         }

}

Input/Output:

Enter the range of number(Limit):5

1 2 5 8 15

Program in Java

Here is the source code of the Java Program to print series 1 2 5 8 15 28 51 94 ...N.

Code:

import java.util.Scanner;

public class Print_Series9 {

public static void main(String[] args) {

Scanner sc=new Scanner(System.in);

int n,i;

   System.out.printf("Enter the range of number(Limit):");

    n=sc.nextInt();

    if(n >=1)

    System.out.print("1 ");

      if(n>=2)

      System.out.print("2 ");

      if(n >=3)

      System.out.print("5 ");

           int a = 1;

           int b = 2;

           int c = 5;

           int d;

           for(i=4;i<=n;i++)

           {

               d = a+b+c;

               a = b;

               b = c;

               c = d;

               System.out.print(d+" ");

           }

    sc.close();

}

}

Input/Output:

Enter the range of number(Limit):6

1 2 5 8 15 28 

Program in Python

Here is the source code of the Python Program to print series 1 2 5 8 15 28 51 94 ...N.

Code:

n=int(input("Enter the range of number(Limit):"))

i=4

if n>=1:

    print("1 ",end="")

if n>=2:

    print("2 ",end="")

if n>=3:

    print("5 ",end="")

a=1

b=2

c=5

while i<=n:

    d = a + b + c

    a = b

    b = c

    c = d

    print(d,end=" ")

    i+=1

Input/Output:

Enter the range of number(Limit):7

1 2 5 8 15 28 51

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