Submission #14,175

2025-01-10 08:12:10

cpp17

Accepted 40/40

1ms

508 KiB

#include <iostream>

using namespace std;

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

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