Submission

Score: 50

User: IKKIWPR

Problemset: อนุกรม

Language: cpp

Time: 0.003 second

Submitted On: 2026-10-08 14:58:24

#include <iostream>
using namespace std;

int main(){
	int n;
	cin >> n;
	int a[90];
	a[0] = 0 , a[1] = 1;
	for (int i=2;i<=n;i++){
		a[i] =  a[i-1] + a[i-2];
	}
	cout << a[n];
}