题解 | #不死神兔问题#
不死神兔问题
https://www.nowcoder.com/practice/9fecec9c776c436b8a03ba0684ac76a7
#include <iostream> using namespace std; int getSum(int n); int main() { int n; cin >> n; cout << getSum(n) << endl; return 0; } int getSum(int n) { return (n==1||n==2)?1:getSum(n-1)+getSum(n-2); }