hdu2046递归水题 斐波那契数列
import java.util.Scanner; public class hdu2046 { public static void main(String[] args) { // TODO 自动生成的方法存根 long[] aa = new long[51]; aa[1] = 1; aa[2] = 2; for (int i = 3; i < aa.length; i++) { aa[i] = aa[i-1] + aa[i-2]; } Scanner sc = new Scanner(System.in); while (sc.hasNext()) { int x = sc.nextInt(); System.out.println(aa[x]); } sc.close(); } }