题解 | 牛牛学数列5
牛牛学数列5
https://www.nowcoder.com/practice/6db6674518a9456198c166bcd0d2aaa1
#include<bits/stdc++.h>
using namespace std;
int main() {
int n, answer = 0;
cin >> n;
if (n == 1 || n == 2) {
cout << "1" << endl;
return 0;
} else {
int a=1,b=1;
for (int i = 3; i <= n; i++) {
answer=a+b;
a=b;
b=answer;
}
cout<<b<<endl;
}
return 0;
}
