Submission #21,732

2026-01-13 18:38:43

cpp17

Accepted 40/40

1ms

508 KiB

// UUID: b89488c1-9686-475c-8f54-c26c6a0729d3
#include <bits/stdc++.h>
using namespace std;


int main() {
    
	long long N;
    cin >> N;
    vector<long long >a(N+2);//rendes
    vector<long long>b(N+2);//hianyzik egy kocka
    a[0] = 0;
    a[1] = 1;
    b[0] = 0;
    b[1] = 0;
    for(int i = 2; i < N+2; i++){
        b[i]=a[i-2]+b[i-1];
        a[i]=a[i-1]+a[i-2]+2*b[i-1];
        
    }
    cout << a[N+1];

    //ha csak rendessel csinalnank nem tudnank a vegen kimaradna e egy kocka










}

	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	508 KiB
		4	Accepted	2/2	1ms	316 KiB
		5	Accepted	2/2	1ms	316 KiB
		6	Accepted	2/2	1ms	508 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	316 KiB
		14	Accepted	3/3	1ms	316 KiB
		15	Accepted	3/3	1ms	316 KiB
		16	Accepted	3/3	1ms	332 KiB
		17	Accepted	3/3	1ms	316 KiB