Submission

Score: 100

User: thitit

Problemset: อนุกรม

Language: cpp

Time: 0.003 second

Submitted On: 2026-10-06 10:14:07

#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main() {
    int num[100];
    num[0] = 1;
    num[1] = 1;

    for (int i = 2; i < 100; i++) {
        num[i] = num[i-2] + num[i-1];
    }

    int a;
    cin >> a;
    cout << num[a-1];
}