Submission

Score: 100

User: bananakung

Problemset: อนุกรม

Language: cpp

Time: 0.002 second

Submitted On: 2026-03-05 20:26:54

#include<bits/stdc++.h>
using namespace std;
long long sum[100];
int main()
{
	sum[1]=1;
	sum[2]=1;
	long long n;
	cin>>n;
	for(long long i=3;i<=n;i++)
	{
		sum[i]=sum[i-1]+sum[i-2];
	}
	cout<<sum[n];
}