Submission #8,764

2024-01-29 15:15:50

cpp17

Runtime error 78/80

18ms

18636 KiB

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

int main() {
	unsigned long long n; cin >> n;
	if (n == 0) {
		cout << 1;
		return 0;
	}
	vector<unsigned long long> dp(n, 0);
	dp[0] = 1;
	dp[1] = 3;
	for (unsigned long long i = 2; i <= n; i++) {
		dp[i] = ((3 * dp[i-1]) % 20210108 + dp[i-2]) % 20210108;
	}
	cout << dp[n];
}

	Sum	Test	Verdict		Time	Memory
base	78/80
		1	Runtime error	0/0	3ms	1788 KiB
		2	Runtime error	0/0	3ms	2052 KiB
		3	Accepted	4/4	3ms	2220 KiB
		4	Accepted	4/4	3ms	2260 KiB
		5	Accepted	5/5	3ms	2468 KiB
		6	Accepted	5/5	3ms	2600 KiB
		7	Accepted	6/6	18ms	18336 KiB
		8	Accepted	6/6	4ms	4872 KiB
		9	Accepted	7/7	3ms	3324 KiB
		10	Accepted	7/7	2ms	3292 KiB
		11	Accepted	8/8	6ms	6460 KiB
		12	Accepted	8/8	18ms	18636 KiB
		13	Accepted	8/8	17ms	17348 KiB
		14	Accepted	8/8	8ms	8808 KiB
		15	Runtime error	0/2	3ms	4008 KiB
		16	Accepted	2/2	3ms	4104 KiB