Submission #12,563

2024-12-23 12:26:12

cpp17

Accepted 40/40

1ms

540 KiB

#include <iostream>
#include <vector>

using namespace std;

int i,v[29],n;
int main()
{
    cin>>n;
    v[1]=1;
    v[2]=2;
    v[3]=5;
    v[4]=11;
    if(n>4)
    {
        for(i=5;i<=n;++i)
        {
            v[i]=v[i-1]*2+v[i-3];
        }
    }
    cout<<v[n];
}

	Sum	Test	Verdict		Time	Memory
base	40/40
		1	Accepted	0/0	1ms	320 KiB
		2	Accepted	0/0	1ms	320 KiB
		3	Accepted	2/2	1ms	512 KiB
		4	Accepted	2/2	1ms	320 KiB
		5	Accepted	2/2	1ms	320 KiB
		6	Accepted	2/2	1ms	320 KiB
		7	Accepted	2/2	1ms	320 KiB
		8	Accepted	3/3	1ms	320 KiB
		9	Accepted	3/3	1ms	320 KiB
		10	Accepted	3/3	1ms	320 KiB
		11	Accepted	3/3	1ms	320 KiB
		12	Accepted	3/3	1ms	540 KiB
		13	Accepted	3/3	1ms	320 KiB
		14	Accepted	3/3	1ms	320 KiB
		15	Accepted	3/3	1ms	320 KiB
		16	Accepted	3/3	1ms	320 KiB
		17	Accepted	3/3	1ms	320 KiB