1521 2022. 11. 21 23:59:08 TomaSajt Toronyépítés (1,1,3,3) cpp14 Accepted 50/50 10ms 10936 KiB 
#include <bits/stdc++.h>
#define speed ios::sync_with_stdio(0);cin.tie(0)
using namespace std;

int main() {
    speed;
    int n; cin >> n;
    vector<int> dp(n + 1);
    dp[0] = 1;
    for (int i = 1; i <= n; i++) {
        if (i >= 1) dp[i] += 2 * dp[i - 1];
        if (i >= 3) dp[i] += 2 * dp[i - 3];
        dp[i] %= 20210108;
    }
    cout << dp[n];
}
Subtask Sum Test Verdict Time Memory
base 50/50
1 Accepted 0/0 3ms 2104 KiB
2 Accepted 0/0 2ms 2116 KiB
3 Accepted 3/3 2ms 2312 KiB
4 Accepted 3/3 2ms 2532 KiB
5 Accepted 4/4 2ms 2740 KiB
6 Accepted 4/4 2ms 2808 KiB
7 Accepted 4/4 10ms 10724 KiB
8 Accepted 4/4 3ms 3908 KiB
9 Accepted 4/4 2ms 3092 KiB
10 Accepted 4/4 2ms 3092 KiB
11 Accepted 4/4 4ms 4432 KiB
12 Accepted 4/4 9ms 10936 KiB
13 Accepted 4/4 9ms 10200 KiB
14 Accepted 4/4 4ms 5864 KiB
15 Accepted 2/2 2ms 3484 KiB
16 Accepted 2/2 2ms 3624 KiB