Submission

Score: 50

User: samsenpisardmoo26

Problemset: อนุกรม

Language: cpp

Time: 1.089 second

Submitted On: 2026-10-06 23:38:25

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

long long fibonacci(int n)
{
    if(n == 0) return 1;
    if(n == 1) return 1;
    return fibonacci(n-1) + fibonacci(n-2); 
}

int main()
{
    int n;
    cin >> n;
    cout << fibonacci(n-1);
}