Submission

Score: 50

User: Brook

Problemset: อนุกรม

Language: cpp

Time: 1.098 second

Submitted On: 2025-10-11 22:03:12

#include<iostream>
using namespace std;
int n;
int f(int n){
	if(n==0){
		return 0;
	}
	else if(n==1){
		return 1;
	}
	
	return f(n-1)+f(n-2);

	
}
int main(){
	
	cin>>n;
	cout<<f(n);

	
	return 0;
}