Submission

Score: 100

User: Brook

Problemset: อนุกรม

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-14 23:50:47

#include<iostream>
using namespace std;
int main(){
	long a[90]={0};
	for(int i=0;i<90;i++){
		if(i==0 || i==1){
			a[i]=1;
			
		}
		else{
			a[i]=a[i-1]+a[i-2];
		}
		
	}
	int m;
	cin>>m;
	cout<<a[m-1];
	
	
	
	
	return 0;
}