3. Fibonacci Sequence of first N numbers

Aim:

To write a C program is to generate the Fibonacci sequence up to a specified number of terms (n) entered by the user.

 

Program :

// Fibonacci Series up to n terms

#include <stdio.h>

void main() {

  int i, n;

  // initialize first and second terms

  int t1 = 0, t2 = 1;

  // initialize the next term (3rd term)

  int nextTerm = t1 + t2;

  // get no. of terms from user

  printf("Enter the number of terms: ");

  scanf("%d", &n);

  // print the first two terms t1 and t2

  printf("Fibonacci Series: %d \t %d \t ", t1, t2);

  // print 3rd to nth terms

  for (i = 3; i <= n; ++i) {

    printf("%d \t ", nextTerm);

    t1 = t2;

    t2 = nextTerm;

    nextTerm = t1 + t2;

  }

}