Submission

Score: 100

User: Field

Problemset: อนุกรม

Language: cpp

Time: 0.002 second

Submitted On: 2026-05-16 11:05:56

#include<bits/stdc++.h>
using namespace std;
long long int a[1005];
int main()
{
	int b; cin >> b;
	a[0] = 1;
	a[1] = 1;
	for(int i = 0;i < b-2;i++)
	{
		a[i+2] = a[i] + a[i+1];
	}
	cout << a[b-1];
	
}