Write a program to generate Fibonacci series up to given number of terms

 //program to print Fibonacci series upto 21

void main()

{

int a=-1,b=1,x,c;

clrscr();

printf("Enter a number ");

scanf("%d",x);

c=0;

while(c<=x)

{

c=a+b;

a=b;

b=c;

printf("%d\t",c);

}}

Output

Enter a number 13

0        1        1        2        3        5        8        13