Submission #12,902

2025-01-03 10:55:09

cpp17

Accepted 80/80

9ms

4152 KiB

#include <iostream>

using namespace std;

int main()
{
    int n, A[1000001];
    cin >> n;
    A[0] = 1;
    A[1] = 3;
    for(int i = 2; i <= n; i++)
    {
        A[i] = (A[i - 2] + A[i - 1] * 3) % 20210108;
    }
    cout << A[n];
    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	80/80
		1	Accepted	0/0	1ms	320 KiB
		2	Accepted	0/0	1ms	500 KiB
		3	Accepted	4/4	1ms	320 KiB
		4	Accepted	4/4	1ms	320 KiB
		5	Accepted	5/5	1ms	416 KiB
		6	Accepted	5/5	1ms	320 KiB
		7	Accepted	6/6	9ms	4100 KiB
		8	Accepted	6/6	2ms	824 KiB
		9	Accepted	7/7	1ms	320 KiB
		10	Accepted	7/7	1ms	320 KiB
		11	Accepted	8/8	3ms	1080 KiB
		12	Accepted	8/8	8ms	4152 KiB
		13	Accepted	8/8	8ms	3804 KiB
		14	Accepted	8/8	4ms	1692 KiB
		15	Accepted	2/2	1ms	320 KiB
		16	Accepted	2/2	1ms	416 KiB