Submission #19,616

19616

2025-12-17 11:04:48

cpp17

Wrong answer 4/40

1ms

552 KiB

#include <iostream>
using namespace std;
int main()
{
    long long int n;
    cin >> n;
    long long int t[29];
    t[1]=1;
    t[2]=2;
    t[3]=5;
    for(int i=4; i<=n; i++)t[i]=t[i-1]+t[i-2]+2*t[i-3];
    cout << t[n];
    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	4/40
		1	Accepted	0/0	1ms	316 KiB
		2	Wrong answer	0/0	1ms	504 KiB
		3	Accepted	2/2	1ms	316 KiB
		4	Accepted	2/2	1ms	316 KiB
		5	Wrong answer	0/2	1ms	552 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