Submission

Score: 0

User: zenta4u

Problemset: กังหันสี่ทิศ

Language: cpp

Time: 0.003 second

Submitted On: 2025-10-01 08:34:55

#include <bits/stdc++.h>
using namespace std;
int main() {
    int n;cin>>n;
    vector<long long>f(n+1);
    f[1]=1; f[2]=1;
    for (int i=3;i<=n;i++) f[i]=f[i-1]+f[i-2];
    cout <<f[n];
}