Submission #19,307

19307

2025-12-04 09:32:53

cpp17

Wrong answer 4/40

1ms

508 KiB

#include <iostream>

using namespace std;

int main()
{
    long long a[28];
    int N;
    cin>>N;
    a[1]=1;
    a[2]=2;
    a[3]=5;
    for (int i=4;i<=N;i++)
        a[i]=2*a[i-3]+2*a[i-2];
    cout<<a[N];
    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	4/40
		1	Accepted	0/0	1ms	316 KiB
		2	Wrong answer	0/0	1ms	316 KiB
		3	Accepted	2/2	1ms	316 KiB
		4	Accepted	2/2	1ms	316 KiB
		5	Wrong answer	0/2	1ms	316 KiB
		6	Wrong answer	0/2	1ms	316 KiB
		7	Wrong answer	0/2	1ms	508 KiB
		8	Wrong answer	0/3	1ms	316 KiB
		9	Wrong answer	0/3	1ms	316 KiB
		10	Wrong answer	0/3	1ms	316 KiB
		11	Wrong answer	0/3	1ms	328 KiB
		12	Wrong answer	0/3	1ms	316 KiB
		13	Wrong answer	0/3	1ms	500 KiB
		14	Wrong answer	0/3	1ms	316 KiB
		15	Wrong answer	0/3	1ms	316 KiB
		16	Wrong answer	0/3	1ms	500 KiB
		17	Wrong answer	0/3	1ms	316 KiB