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 main() { int n; while(cin >> n) { if(n==1 || n==2) cout << 1; int prepre= 1; int pre= 1; int cur; for(int i =3; i<=n; i++) { cur = prepre + pre; prepre = pre; pre = cur; } cout << cur; } } // 64 位输出请用 printf("%lld")