Submission

Score: 10

User: exoworldgd

Problemset: อนุกรม

Language: cpp

Time: 0.002 second

Submitted On: 2025-05-24 17:09:06

#include <bits/stdc++.h>
using namespace std;
int main(void) {
    unsigned long long int n; cin >> n;
    unsigned long long int dp[n+1];
    memset(dp,0,sizeof(dp));
    dp[0] = 1, dp[1] = 1;
    for (unsigned long long int i = 2; i <= n; i++) dp[i] = dp[i-1] + dp[i-2];
    cout << dp[n];
}