int main(int argc, char **argv)
{
time_t start_tm, finish_tm;
time(&start_tm);
int number=0;
int result=0;
scanf("%d",&number);
result = fibN(number);
printf("The fibonacci sequence at %d is: %d\n", number, result);
time(&finish_tm);
double elapsed_tm=difftime(finish_tm,start_tm);
printf("Recursive for %10.10f seconds.\n", elapsed_tm);
}
//1 1 2 3 5 8 13 21 34 55 ..
//1 2 3 4 5 6 7 8 9 10 ..
unsigned fibN(unsigned n){
if (n <= 2){
return 1;
}
return fibN(n - 1) + fibN(n - 2);
}
int main()
{
std::cout << fibN(6);
return 0;
}
fibN(int x){
if(x<=0)return 0;
if(x==1)return 1;
return fibN(x-1)+fibN(x-2);
}
/* Signature of the JNI method as generated in header file */
JNIEXPORT jlong JNICALL Java_com_liuapps_fibonacci_FibLib_fibN (JNIEnv *env, jclass obj, jlong n) {
return fibN(n);
}
long fibN(long n) {
if(n<=0) return 0;
if(n==1) return 1;
return fibN(n-1) + fibN(n-2);
}
