Submission #1,731

2022-12-02 11:02:41

cpp11

Accepted 50/50

16ms

18640 KiB

#include <iostream>
#include <vector>

using namespace std;

long long i, n;

int main()
{
    cin>>n;

    vector <long long> x(n+4);

    x[1]=2;
    x[2]=4;
    x[3]=10;
    for(i=4; i<=n; ++i)
    {
        x[i]=(2*x[i-1]+2*x[i-3])%20210108;
    }

    cout<<x[n];

    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	3ms	1812 KiB
		2	Accepted	0/0	2ms	2024 KiB
		3	Accepted	3/3	2ms	2204 KiB
		4	Accepted	3/3	2ms	2412 KiB
		5	Accepted	4/4	2ms	2488 KiB
		6	Accepted	4/4	2ms	2612 KiB
		7	Accepted	4/4	16ms	18216 KiB
		8	Accepted	4/4	4ms	4696 KiB
		9	Accepted	4/4	2ms	3028 KiB
		10	Accepted	4/4	2ms	3100 KiB
		11	Accepted	4/4	4ms	6176 KiB
		12	Accepted	4/4	16ms	18640 KiB
		13	Accepted	4/4	14ms	16996 KiB
		14	Accepted	4/4	7ms	8808 KiB
		15	Accepted	2/2	2ms	3792 KiB
		16	Accepted	2/2	2ms	3860 KiB