C Program to print the terms of Fibonacci Series upto a certain number

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Fibonacci series each member is the sum of the last two terms except the first and second term.
The following C program prints the members of the Fibonacci series upto a certain number, given by the user.

PROGRAM:

/***************************
 *******FIBONACCI***********
 2017 (c) Manas Sharma - https://bragitoff.com 
 **************************/
#include<stdio.h>
void fibonacci(int n){
  int x[2];
  int y;
  x[0]=0;
  x[1]=1;
  printf("\n0\n1");
  y=x[0]+x[1];
  while(y<=n){
    printf("\n%d",y);
    x[0]=x[1];
    x[1]=y;
    y=x[0]+x[1];
  }
}
main(){
  int n;
  printf("Enter a number till which you want to generate Fibonacci numbers:\n");
  scanf("%d",&n);
  printf("\nThe Fibonacci numbers till %d are: \n",n);
  fibonacci(n);
}

OUTPUT:

PhD researcher at Friedrich-Schiller University Jena, Germany. I'm a physicist specializing in computational material science. I write efficient codes for simulating light-matter interactions at atomic scales. I like to develop Physics, DFT and Machine Learning related apps and softwares from time to time. Can code in most of the popular languages. Like to share my knowledge in Physics and applications using this Blog and a YouTube channel.
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