题解 | #统计每个月兔子的总数#
统计每个月兔子的总数
https://www.nowcoder.com/practice/1221ec77125d4370833fd3ad5ba72395
#include <iostream>
using namespace std;
int Rabbits(int n);
int main()
{
int day, sum, a = 1, b = 1;
cin >> day;
if (day == 1 || day == 2)
sum = 1;
else
{
for (int i = 3; i <= day; i++) // 从第三个开始
{
sum = a + b;
a = b; // 顺序不要反了
b = sum;
}
}
cout << sum << endl;
return 0;
}
查看20道真题和解析