HDOJ 2085 核反应堆

HDACM2085
注意范围即可

import java.util.Scanner;public class Main{    public static void main(String[] args) {        Scanner sc = new Scanner(System.in);        while (sc.hasNext()) {            int n = sc.nextInt();            if (n==-1) {                break;            }            long h = 1;            long l = 0;            long ht = 0;            long lt = 0;            while (n-->0) {                ht = 3*h+2*l;                lt = h+l;                h = ht;                l = lt;            }            System.out.println(h+", "+l);        }    }}