[编程题] 大富翁游戏(美团点评2017秋招)

import java.util.*;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
while(sc.hasNext()) {
int n = sc.nextInt();
System.out.println(fun(n));
}
}
public static int fun(int n){
int count = 0;
if(n == 1) {
count = 1;
}else if(n == 2) {
count = 2;
}else {
for(int i = 1; i < n; i++) {
count += fun(n - i);
}
count += 1;
}
return count;
}
}