Submission #1,459

2022-10-16 10:56:03

cpp17

Accepted 80/80

17ms

10960 KiB

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

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	int n;
	cin>>n;
	vector<int>dp(n+1);
	dp[0]=1;
	const int hulyeszam=20210108;
	for(int i=1; i<n+1; i++){
		dp[i]=(dp[i-2])%hulyeszam+(dp[i-1]*3)%hulyeszam;
		dp[i]=dp[i]%hulyeszam;
	}
	cout<<dp[n];
}

	Sum	Test	Verdict		Time	Memory
base	80/80
		1	Accepted	0/0	3ms	1956 KiB
		2	Accepted	0/0	2ms	2156 KiB
		3	Accepted	4/4	2ms	2236 KiB
		4	Accepted	4/4	2ms	2436 KiB
		5	Accepted	5/5	2ms	2924 KiB
		6	Accepted	5/5	2ms	2808 KiB
		7	Accepted	6/6	17ms	10464 KiB
		8	Accepted	6/6	4ms	3836 KiB
		9	Accepted	7/7	2ms	3096 KiB
		10	Accepted	7/7	2ms	3340 KiB
		11	Accepted	8/8	4ms	4904 KiB
		12	Accepted	8/8	17ms	10960 KiB
		13	Accepted	8/8	14ms	10204 KiB
		14	Accepted	8/8	7ms	6152 KiB
		15	Accepted	2/2	2ms	3724 KiB
		16	Accepted	2/2	2ms	3940 KiB