// Fibonacci number generator in ANSI C using recursion #include #include long Fibo (long x); int main (int argc, const char * argv[]) { long fibo; int i, count; clock_t start, done; count = 40; start = clock(); printf("Lasketaan fibo %d \n", count); for (i = 1; i <= count; i++) { fibo = Fibo (i); printf ("%d - %ld\n",i, fibo); } done = clock(); printf("aika: %f s\n",(done-start)/(double)(CLOCKS_PER_SEC)); return 0; } long Fibo (long x) { if (x < 3) return 1; else return Fibo (x-1) + Fibo (x-2); }