Submission #390

2021-11-03 08:24:52

cpp11

Accepted 50/50

13ms

9444 KiB

#include <iostream>
#include <vector>

using namespace std;

int main()
{
    int M;
    cin >> M;

    vector<int> dolgok(M+1);

    dolgok[0] = 0 % 20210108;
    dolgok[1] = 2 % 20210108;
    dolgok[2] = 4 % 20210108;
    dolgok[3] = 10 % 20210108;

    if (M  < 4)
    {
        cout << dolgok[M];
        return 0;
    }

    for (size_t i = 4; i <= M; i++)
    {
        dolgok[i] = (2 * dolgok[i - 1] + 2 * dolgok[i - 3]) % 20210108;
    }

    cout << dolgok[M];
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	2ms	1744 KiB
		2	Accepted	0/0	2ms	1768 KiB
		3	Accepted	3/3	1ms	1824 KiB
		4	Accepted	3/3	1ms	1824 KiB
		5	Accepted	4/4	1ms	1824 KiB
		6	Accepted	4/4	1ms	1824 KiB
		7	Accepted	4/4	13ms	9444 KiB
		8	Accepted	4/4	2ms	2556 KiB
		9	Accepted	4/4	1ms	1720 KiB
		10	Accepted	4/4	1ms	1720 KiB
		11	Accepted	4/4	4ms	3200 KiB
		12	Accepted	4/4	12ms	9440 KiB
		13	Accepted	4/4	10ms	8404 KiB
		14	Accepted	4/4	4ms	4240 KiB
		15	Accepted	2/2	1ms	1720 KiB
		16	Accepted	2/2	1ms	1824 KiB