Submission

Score: 100

User: erng

Problemset: อนุกรม

Language: cpp

Time: 0.002 second

Submitted On: 2025-09-28 21:49:22

#include <bits/stdc++.h>
using namespace std;

long long n, num[110];

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n;
    num[1]=1;
    num[2]=1;
    for (int i=2; i<=n; i++)
    {
        num[i]=num[i-1]+num[i-2];
    }
    cout<<num[n];
}