Submission #13,495

2025-01-08 08:45:40

cpp17

Accepted 40/40

1ms

508 KiB

#include <bits/stdc++.h>

using namespace std;


int main()
{
    cin.tie(0);
    iostream::sync_with_stdio(0);

    int n;
    cin >> n;
    vector<int> sor(n+1);

    sor[0] = 0;
    sor[1] = 1;
    sor[2] = 2;
    sor[3] = 5;

    for(int i = 4; i <n+1;i++)
    {
        sor[i] = 2*sor[i-1] + sor[i-3];
    }

    cout << sor[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	316 KiB
		5	Accepted	2/2	1ms	384 KiB
		6	Accepted	2/2	1ms	320 KiB
		7	Accepted	2/2	1ms	316 KiB
		8	Accepted	3/3	1ms	316 KiB
		9	Accepted	3/3	1ms	500 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	500 KiB
		14	Accepted	3/3	1ms	316 KiB
		15	Accepted	3/3	1ms	316 KiB
		16	Accepted	3/3	1ms	508 KiB
		17	Accepted	3/3	1ms	316 KiB