Submission

Score: 50

User: 38408

Problemset: อนุกรม

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-05 19:49:10

#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin>>n;
    vector<int> num(n,1);
    for (int i = 2; i < n; i++)
    {

        num[i]=num[i-2]+num[i-1];
    }
    
    cout << num[n-1];

}