Submission

Score: 100

User: bananatomyum2

Problemset: อนุกรม

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-01 14:41:09

#include <bits/stdc++.h>
using namespace std;
#define int long long
int f[101];

int32_t main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int n;
	cin >> n;
	f[1]=1;
	for(int i=2;i<=n;i++)f[i]=f[i-1]+f[i-2]; 
	cout << f[n] << "\n";
	return 0;
}