Java-NowCode-統計出兔子總數__Java

有一隻兔子，從出生後第3個月起每個月都生一隻兔子，小兔子長到第三個月後每個月又生一隻兔子，假如兔子都不死，問每個月的兔子總數為多少。

 

    /**
     * 統計出兔子總數。
     * 
     * @param monthCount 第幾個月
     * @return 兔子總數
     */
    public static int getTotalCount(int monthCount)
    {
        return 0;

    }

import java.util.Scanner;public class Main{    public static void main(String[] args){        Scanner sc = new Scanner(System.in);        while(sc.hasNext()){            int monthCount = sc.nextInt();            int total = getTotalCount(monthCount);            System.out.println(total);        }        sc.close();    }    public static int getTotalCount(int monthCount){        int total = 0;        if(monthCount > 0 && monthCount < 3){            return 0;        }        if(monthCount == 3){            return 2;        }        if(monthCount == 4){            return 3;        }        if(monthCount >= 5){            total = total + getNewCount(monthCount + 2);        }        return total;    }         public static int getNewCount(int monthCount){        if(monthCount < 3){            return 0;        }        int newCount = 0;        if(monthCount == 3 || monthCount == 4){            return 1;        }        if(monthCount >= 5){            newCount = getNewCount(monthCount - 1) + getNewCount(monthCount - 2);        }        return newCount;    }}