Submission

Score: 50

User: Visaaxolotl

Problemset: อนุกรม

Language: cpp

Time: 1.098 second

Submitted On: 2026-10-08 19:27:29

#include <bits/stdc++.h>
using namespace std;
#define int long long


int fibonacci(int n){
    if (n==1)return 1;
    if (n==2)return 1;
    else return fibonacci(n-1) + fibonacci(n-2);
}


signed main() {
    int c; cin >> c;
    cout << fibonacci(c);
}