Fibunachizahlenausgabe

[l0dsb]

#include <stdio.h>
#include <conio.h>
#include <limits.h>

int main()
{
	int start, ende;

	printf("\n\tfibonacci-reihe\n\n\tstart:\t");
	scanf("%i", &start);

	printf("\tende:\t");
	scanf("%i", &ende);

	if(start < 0) start *= -1;
	if(ende < 0) ende *= -1;

	if(start > ende)
	{
		start ^= ende;
		ende ^= start;
		start ^= ende;
	}

	int a, b, c;
	a = start;
	b = 2 * a - 1;
	c = 0;
	printf("\n\t%i %i", a, b);

	while(c < ende && c < INT_MAX)
	{
		if((c = a + b) > ende) break;
		printf(" %i", c);
		a = b;
		b = c;
	}

	getch();
	return 0;
}

Added after 56 seconds:

Hm, zu langsam und buggy. Verdammt.