Generate Fibonacci Series using while loop

Write a C program to C Program to Generate Fibonacci Series using while loop. Here’s simple C Program to Generate Fibonacci Series using while loop in C Programming Language.

Numbers in C

Normally, when we work with Numbers, we use primitive data types such as int, short, long, float and double, etc. The number data types, their possible values and number ranges have been explained while discussing C Data Types.

Here is source code of the C Program to Generate Fibonacci Series using while loop. The C program is successfully compiled and run(on Codeblocks) on a Windows system. The program output is also shown in below.

SOURCE CODE : :

/*  C Program to Generate Fibonacci Series using while loop  */

#include<stdio.h>

int main()
{
    int lim_up, A = 0, B = 1, C;

    printf("\nEnter Limit upto which u want :: ");
    scanf("%d", &lim_up);

    printf("\nGenerating Fibonacci Series Below :: \n\n ");
    while(A<lim_up)
    {
        printf(" %d ", A);
        C = A + B;
        A = B;
        B = C;
    }


    return 0;
}

OUTPUT : :

/*  C Program to Generate Fibonacci Serie using while loop  */

Enter Limit upto which u want :: 100

Generating Fibonacci Series Below ::

  0  1  1  2  3  5  8  13  21  34  55  89

Process returned 0

Above is the source code for C Program to Generate Fibonacci Series using while loop which is successfully compiled and run on Windows System.The Output of the program is shown above .

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