Submission

Score: 50

User: koon

Problemset: อนุกรม

Language: cpp

Time: 0.003 second

Submitted On: 2025-10-08 13:25:56

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

int main() {
    int n;
    cin >> n;
    vector<int> num = {1, 1};
    for (int i = 2; i <= n; i++) {
        num.push_back(num[i-2]+num[i-1]);
    }
    cout << num[n-1];
    return 0;
}