Submission

Score: 50

User: ultraman9845

Problemset: อนุกรม

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-13 20:07:38

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