C program to generate Fibonacci series using while loop

Write a C program to generate Fibonacci series using while loop

Fibonacci series is a series of numbers in which each number of the Fibonacci series is derived by the adding of its two immediate preceding numbers. For example: 0, 1, 1, 2, 3, 5, 8, . . . . The below given C program to generate Fibonacci series using while loop. Kindly check out the program to generate Fibonacci series using while loop.

Program to Fibonacci series using while loop

#include<stdio.h>
      int main(){
      int n,k;
      long int a=-1,b=1,f;

      printf("Enter the number range:\n");
      scanf("%d",&n);
      printf("\n FIBONACCI SERIES: \n");
      k=1;
      while(k<=n){
      f=a+b;
      a=b;
      b=f;
      printf(" %ld",f);
      k++;
     }

   return 0;
  }


Sample Output:

Enter the number range:6

FIBONACCI SERIES:

0 1 1 2 3 5

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