64 : C Program to display Fibonacci numbers between 1-100

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C program that displays fibonacci number sequences that occurs between 1-100.

Fibonacci numbers or Fibonacci Series are integer number sequence.

First two numbers are 0 and 1, and every next number is an addition/sum of previous two numbers.

1st number => 0

2nd number => 1

3rd number => 1 (0+1)

4th number => 2 (1+1)

5th number => 3 (1+2)

6th number => 5 (2+3)

7th number => 8 (3+8)

........ and so on!

``````
/*
* 1000+ C programs + tutorials
*
*
* 63_c_program_to_display_fibonacci_series_1_to_100.c
*
*
*
*  Created on: Oct 25, 2014
*  Author: Code2care.org
*/

#include
//#include

void main() {

//clrscr();

int first_no = 0;
int second_no = 1;
int next_no;
int i;

printf("C program prints 1st 1-100 Fibonacci series : ");

for ( i = 0 ; i < 100 ; i++ )
{

if ( i <= 1 )
next_no = i;
else
{
next_no = first_no + second_no;
first_no = second_no;
second_no = next_no;

if(next_no > 100) {
break;
}
}
printf("%d  ",next_no);
}

//	getch();

}```

```

• Output :

```C program prints 1st 1-100 Fibonacci series : 0  1  1  2  3  5  8  13  21  34  55  89
```

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