Submission #8,765

2024-01-29 15:17:12

cpp17

Accepted 80/80

18ms

18368 KiB

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

int main() {
	unsigned long long n; cin >> n;
	vector<unsigned long long> dp(n+1, 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	80/80
		1	Accepted	0/0	3ms	1680 KiB
		2	Accepted	0/0	3ms	1948 KiB
		3	Accepted	4/4	2ms	2020 KiB
		4	Accepted	4/4	3ms	2140 KiB
		5	Accepted	5/5	3ms	2352 KiB
		6	Accepted	5/5	3ms	2480 KiB
		7	Accepted	6/6	18ms	18196 KiB
		8	Accepted	6/6	4ms	4500 KiB
		9	Accepted	7/7	2ms	2788 KiB
		10	Accepted	7/7	3ms	2880 KiB
		11	Accepted	8/8	6ms	5880 KiB
		12	Accepted	8/8	18ms	18368 KiB
		13	Accepted	8/8	17ms	16632 KiB
		14	Accepted	8/8	8ms	8108 KiB
		15	Accepted	2/2	2ms	3136 KiB
		16	Accepted	2/2	3ms	3168 KiB