题解 | #N阶楼梯上楼问题#
N阶楼梯上楼问题
https://www.nowcoder.com/practice/c978e3375b404d598f1808e4f89ac551
#include <iostream>
using namespace std;
int Fibonacci(int n) {
if (n == 1 || n == 2) {
return n;
} else {
return Fibonacci(n - 1) + Fibonacci(n - 2);
}
}
int main() {
int n;
cin >> n;
cout << Fibonacci(n) << endl;
return 0;
}
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