211332026-01-12 12:34:08algoproJárda-L (40)cpp17Accepted 40/402ms508 KiB
// UUID: ce006a29-291e-4a6d-8e16-b18f5bad88b7
#include <bits/stdc++.h>
using namespace std;

int main() {
	int n;
    cin >> n;
    vector<long long> a(n + 1), b(n + 1);
    a[0] = a[1] = 1;
    for (int i = 2; i <= n; i++) {
        a[i] = a[i - 1] + a[i - 2] + 2 * b[i - 1];
        b[i] = a[i - 2] + b[i - 1];
    }
    cout << a[n];
}
SubtaskSumTestVerdictTimeMemory
base40/40
1Accepted0/01ms500 KiB
2Accepted0/01ms316 KiB
3Accepted2/21ms316 KiB
4Accepted2/21ms500 KiB
5Accepted2/21ms316 KiB
6Accepted2/21ms316 KiB
7Accepted2/21ms316 KiB
8Accepted3/31ms508 KiB
9Accepted3/32ms316 KiB
10Accepted3/32ms316 KiB
11Accepted3/31ms316 KiB
12Accepted3/32ms316 KiB
13Accepted3/31ms316 KiB
14Accepted3/31ms332 KiB
15Accepted3/31ms316 KiB
16Accepted3/31ms316 KiB
17Accepted3/31ms508 KiB