题解 | #统计每个月兔子的总数#
统计每个月兔子的总数
http://www.nowcoder.com/practice/1221ec77125d4370833fd3ad5ba72395
#include<stdio.h>
int Sum(int month){
if(month==0){
return 0;
}
if(month==1||month==2)
{ return 1;
}
return Sum(month-1) + Sum(month-2);
}
int main(){
//定义月数,num用来接收兔子数量
int month,num;
scanf("%d",&month);
num = Sum(month);
printf("%d",num);
return 0;
}