题解 | #统计每个月兔子的总数#
#include <bits/stdc++.h>
using namespace std;
int process(int n){
return n < 3 ? 1 : process(n - 1) + process(n - 2);
}
int main(){
int n = 0;
while(cin >> n){
int res = process(n);
cout << res << endl;
}
return 0;
}