Submission

Score: 50

User: thanakorn

Problemset: อนุกรม

Language: cpp

Time: 0.003 second

Submitted On: 2026-09-18 19:27:31

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

int main(){
	int n,k=1,j=1,ans=1;
	cin>>n;
	for(int i=1;i<n;i++){
		ans=k;
		k+=j;
		j=ans;
	}
	cout<<ans;
}