Submission #21,262

2026-01-12 17:35:24

cpp17

Accepted 30/30

3ms

992 KiB

// UUID: 1c9f0ad3-15a6-4a0f-8254-537112820750
#include <bits/stdc++.h>
using ll = long long;
using namespace std;

int main() {

    ios_base::sync_with_stdio(false);
    cin.tie(0);
    
    int n; cin >> n;
    vector<array<int, 2>> dp(n+1); // 0: egyiket vizsgáltuk; 1: mindkettő
    dp[0] = {1, 1};
    dp[1] = {2, 1};
    for (int i = 2; i <= n; i++) {
        dp[i][1] = dp[i-1][1] + dp[i-2][0] + dp[i-1][0];
        dp[i][1] %= 2023;
        dp[i][0] = dp[i][1] + dp[i-1][1] * 3 + dp[i-1][0] + dp[i-2][0] * 2;
        dp[i][0] %= 2023;
    }
    cout << (dp[n][0] % 2023);
	
    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	30/30
		1	Accepted	0/0	1ms	508 KiB
		2	Accepted	0/0	1ms	316 KiB
		3	Accepted	2/2	1ms	316 KiB
		4	Accepted	2/2	1ms	508 KiB
		5	Accepted	2/2	1ms	316 KiB
		6	Accepted	2/2	1ms	508 KiB
		7	Accepted	2/2	1ms	508 KiB
		8	Accepted	2/2	1ms	316 KiB
		9	Accepted	2/2	1ms	564 KiB
		10	Accepted	2/2	1ms	564 KiB
		11	Accepted	2/2	2ms	820 KiB
		12	Accepted	3/3	3ms	820 KiB
		13	Accepted	3/3	1ms	316 KiB
		14	Accepted	3/3	1ms	316 KiB
		15	Accepted	3/3	3ms	992 KiB