Write a program to generate the Fibonacci Series?

Answer 1

#include

#include

main()

{

int n,i,c,a=0,b=1;

printf("Enter Fibonacci series of nth term : ");

scanf("%d",&n);

printf("%d %d ",a,b);

for(i=0;i<=(n-3);i++)

{

c=a+b;

a=b;

b=c;

printf("%d ",c);

}

getch();

}

Output :

Enter Fibonacci series of nth term : 7

0 1 1 2 3 5 8

Answer 2:/************************************************************************* Fibonacci In a Fibonacci series each number is the sum of the two previous numbers. This program calculates Fibonacci numbers within an 8-bit range, ;************************************************************************/

#include < p18f452.h >

//these memory locations hold the Fibonacci series

unsigned char fib0; //lowest number

//(oldest when going up, newest when reversing down)

unsigned int fib1; //middle number

unsigned float fib2; //highest number

unsigned double fibtemp; //temporary location for newest number

main ()

{

counter 3; //have preloaded the first three numbers, so start at 3

fib0 0;

fib1 1;

fib2 1;

loop: do

{

float test0;

fibtemp fib1 + fib2;

counter counter + 1;

//now shuffle numbers held, discarding the oldest

fib0 fib1; //first move middle number, to overwrite oldest

fib1 fib2;

fib2 fibtemp;

}

while (counter<12):

//when reversing down, we will subtract fib0 from fib1 to form new fib0

do

{

fibtemp fib1 - fib0; //latest number now placed in fibtemp

counter counter - 1;

//now shuffle numbers held, discarding the oldest

fib2 fib1; //first move middle number, to overwrite oldest

fib1 fib0;

fib0 = fibtemp;

}

while (fib0>0);

go to loop

return 10;

}

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