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 shengtuzi(int month){ if(month < 3)return 0; int ans = month-2; for(int i = 0;i < month-2;i++){ ans += shengtuzi(month-2-i); } return ans; } int main() { int n; cin >> n; cout << shengtuzi(n) + 1 << endl; } // 64 位输出请用 printf("%lld")