Submission

Score: 100

User: nxtx_ss

Problemset: อนุกรม

Language: cpp

Time: 0.002 second

Submitted On: 2025-08-02 15:09:51

#include<iostream>
using namespace std;
int main() {
	long long int n,a[2000];
	cin>>n;
	a[1]=1;
	a[2]=1;
	for (int i=3; i<=n; i++) {
		a[i]=a[i-1]+a[i-2];
	}
	cout<<a[n];
}