Submission

Score: 100

User: Quaoar

Problemset: อนุกรม

Language: cpp

Time: 0.003 second

Submitted On: 2025-09-27 15:05:16

#include <iostream>
using namespace std;

int main(){
    long long a[200] = {};
    a[0] = 1;
    a[1] = 1;
    int n;
    cin >> n;
    for (int i = 0 ; i < n - 2 ; i++){
        a[i + 2] = a[i] + a[i + 1];
    }
    cout << a[n - 1];
    return 0;
}