1702 | 2022. 12. 01 16:14:35 | kovacs.peter.18f | Járda-L (40) | cpp11 | Elfogadva 40/40 | 3ms | 3676 KiB |
#include <iostream>
#include <vector>
using namespace std;
int main() {
cin.sync_with_stdio(false);
cin.tie(nullptr);
int N;
cin >> N;
if (N < 2) {
cout << "1\n";
return 0;
}
vector<long long> halfS(N + 1), fullS(N + 1);
fullS[0] = fullS[1] = 1;
fullS[2] = halfS[2] = 2;
for (int i = 3; i <= N; i++) {
halfS[i] = halfS[i - 1] + fullS[i - 2] * 2;
fullS[i] = fullS[i - 1] + fullS[i - 2] + halfS[i - 1];
}
cout << fullS[N] << '\n';
}
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 40/40 | ||||||
1 | Elfogadva | 0/0 | 3ms | 1700 KiB | |||
2 | Elfogadva | 0/0 | 2ms | 1864 KiB | |||
3 | Elfogadva | 2/2 | 2ms | 2068 KiB | |||
4 | Elfogadva | 2/2 | 2ms | 2272 KiB | |||
5 | Elfogadva | 2/2 | 2ms | 2472 KiB | |||
6 | Elfogadva | 2/2 | 2ms | 2712 KiB | |||
7 | Elfogadva | 2/2 | 2ms | 2752 KiB | |||
8 | Elfogadva | 3/3 | 2ms | 2756 KiB | |||
9 | Elfogadva | 3/3 | 2ms | 2760 KiB | |||
10 | Elfogadva | 3/3 | 2ms | 2992 KiB | |||
11 | Elfogadva | 3/3 | 2ms | 2956 KiB | |||
12 | Elfogadva | 3/3 | 2ms | 3204 KiB | |||
13 | Elfogadva | 3/3 | 2ms | 3316 KiB | |||
14 | Elfogadva | 3/3 | 2ms | 3368 KiB | |||
15 | Elfogadva | 3/3 | 2ms | 3468 KiB | |||
16 | Elfogadva | 3/3 | 2ms | 3596 KiB | |||
17 | Elfogadva | 3/3 | 2ms | 3676 KiB |