Sequência de Fibonacci - Exemplo na linguagem C

FIBONACCI SEQUENCE – EXAMPLE IN LANGUAGE C

Another example of how to write a program that generates numbers in the Fibonacci sequence. Again using the C language.

The code is simple and goes straight to the point with explanatory comments.

// Include file &lt;"stdio.h"> 
// stdio.h  is responsible for inputs and outputs. #include "stdio.h" 
#include "stdio.h"

void main() { 
    unsigned long long int a, b, aux; 
    unsigned int i, n;

    // Assign initial values to the variables
    a = 0; 
    b = 1; 

    // The function printf() shows on the screen 
    printf("Enter a number: "); 

    // Gets the value entered
    scanf("%d", &amp;n); 
    printf("Fibonacci:\n"); 
    printf("1: 1\n"); 

    // This block generates a sequence of numbers
    for(i = 0; i &lt; n-1; i++) { 
	    aux = a + b; 
	    a = b; 
	    b = aux; 

	    printf("%u: %llu\n", i+2, aux);  
    } 
}

// Include file <"stdio.h">

// stdio.h is responsible for inputs and outputs. #include "stdio.h"

#include "stdio.h"

void main() {

unsigned long long int a, b, aux;

unsigned int i, n;

// Assign initial values to the variables

a = 0;

b = 1;

// The function printf() shows on the screen

printf("Enter a number: ");

// Gets the value entered

scanf("%d", &n);

printf("Fibonacci:\n");

printf("1: 1\n");

// This block generates a sequence of numbers

for(i = 0; i < n-1; i++) {

aux = a + b;

a = b;

b = aux;

printf("%u: %llu\n", i+2, aux);

}

Usually, this type of problem is proposed in computer courses and the purpose of this post is to present a way to solve it. There are other ways to solve this problem or to improve the code presented, so I hope you will not only copy and paste but try to do something better.

I hope I have been clear in the explanations.

Questions or suggestions, please contact us.

This code is available on Github: https://github.com/marceloweb/tutorials/blob/master/fibonacci.c

With the contribution of Benjamin Zaremba.

Fibonacci sequence – Example in language C

Published by Marcelo Oliveira

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