Submission #1,460

2022-10-16 10:58:25

cpp11

Accepted 80/80

17ms

11032 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;
	dp[1]=3;
	const int hulyeszam=20210108;
	for(int i=2; 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	1824 KiB
		2	Accepted	0/0	2ms	2160 KiB
		3	Accepted	4/4	2ms	2228 KiB
		4	Accepted	4/4	2ms	2436 KiB
		5	Accepted	5/5	2ms	2636 KiB
		6	Accepted	5/5	2ms	2848 KiB
		7	Accepted	6/6	17ms	10396 KiB
		8	Accepted	6/6	4ms	3764 KiB
		9	Accepted	7/7	2ms	3148 KiB
		10	Accepted	7/7	2ms	3224 KiB
		11	Accepted	8/8	4ms	4664 KiB
		12	Accepted	8/8	17ms	11032 KiB
		13	Accepted	8/8	14ms	10144 KiB
		14	Accepted	8/8	7ms	6052 KiB
		15	Accepted	2/2	2ms	3876 KiB
		16	Accepted	2/2	2ms	3756 KiB