12/02/07 09:51:11.12
>>2
#include <stdio.h>
void fibo(int *a, int *b)
{
*b += *a;
*a = *b - *a;
}
int main(void)
{
int sum, a, b;
for(sum = 0, a = 0, b = 1; a <= 4000000; fibo(&a, &b)) {
if(a % 2 == 0) {
sum += a;
printf("%d %d\n", a, sum);
} }
return 0;
}