Submission #20,665

20665

2026-01-08 15:53:26

cpp17

Wrong answer 4/40

1ms

316 KiB

#include <iostream>
#include <vector>
using namespace std;

int main()
{
    int n;
    cin >> n;
    vector <int> v(n+1);
    v[1]=1;
    v[2]=2;
    v[3]=3;
    for(int i=4; i<=n; i++)
    {
            v[i]=2*v[i-1]+v[i-3];
    }
    cout << v[n];
    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	4/40
		1	Wrong answer	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	316 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	316 KiB
		12	Wrong answer	0/3	1ms	316 KiB
		13	Wrong answer	0/3	1ms	316 KiB
		14	Wrong answer	0/3	1ms	316 KiB
		15	Wrong answer	0/3	1ms	316 KiB
		16	Wrong answer	0/3	1ms	316 KiB
		17	Wrong answer	0/3	1ms	316 KiB