Submission #12,353

2024-12-13 07:24:55

cpp17

Accepted 50/50

9ms

4248 KiB

#include <iostream>

using namespace std;
int H[1000001];
int main()
{
    int n;
    cin>>n;
    H[1]=2,H[2]=4,H[3]=10;
    for(int i=4;i<=n;i++)
    H[i]=(2*H[i-1]+2*H[i-3])%20210108;
    cout<<H[n];


    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	1ms	320 KiB
		2	Accepted	0/0	1ms	320 KiB
		3	Accepted	3/3	1ms	320 KiB
		4	Accepted	3/3	1ms	320 KiB
		5	Accepted	4/4	1ms	320 KiB
		6	Accepted	4/4	1ms	320 KiB
		7	Accepted	4/4	8ms	4152 KiB
		8	Accepted	4/4	2ms	692 KiB
		9	Accepted	4/4	1ms	508 KiB
		10	Accepted	4/4	1ms	320 KiB
		11	Accepted	4/4	3ms	1080 KiB
		12	Accepted	4/4	9ms	4248 KiB
		13	Accepted	4/4	8ms	3640 KiB
		14	Accepted	4/4	3ms	1552 KiB
		15	Accepted	2/2	1ms	404 KiB
		16	Accepted	2/2	1ms	320 KiB