Submission

Score: 100

User: mik

Problemset: อนุกรม

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-10 15:11:55

#include <iostream>
using namespace std;
int main(){
    int n;
    cin >> n;
    long long f[n]={0};
    f[0] = 1; f[1] = 1;
    for (int i=0;i<n;i++){
        if (f[i]==0) {
            f[i] = f[i-1] + f[i-2];
        }
    }
    cout << f[n-1];
    return 0;
}