Submission #11,507

2024-10-14 11:21:42

fazekas2028c

cpp17

Accepted 50/50

18ms

8192 KiB

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

#define int long long
const int MOD = 20210108;

signed main() {
	int n; 
	cin >> n;
	vector<int> dp(n+1, 0);
	dp[0] = 1;
	dp[1] = 2;
	dp[2] = 4;
	for (int i = 3; i <= n; i++) {
		dp[i] = ((2 * dp[i-1]) % MOD + (2 * dp[i-3]) % MOD) % MOD;
	}
	cout << dp[n];
	return 0;
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	1ms	320 KiB
		2	Accepted	0/0	1ms	320 KiB
		3	Accepted	3/3	1ms	508 KiB
		4	Accepted	3/3	1ms	320 KiB
		5	Accepted	4/4	1ms	320 KiB
		6	Accepted	4/4	1ms	320 KiB
		7	Accepted	4/4	18ms	8192 KiB
		8	Accepted	4/4	3ms	1212 KiB
		9	Accepted	4/4	1ms	320 KiB
		10	Accepted	4/4	1ms	320 KiB
		11	Accepted	4/4	4ms	2004 KiB
		12	Accepted	4/4	17ms	8148 KiB
		13	Accepted	4/4	16ms	7060 KiB
		14	Accepted	4/4	7ms	2872 KiB
		15	Accepted	2/2	1ms	320 KiB
		16	Accepted	2/2	1ms	500 KiB