Submission #22,726

2026-01-15 17:18:57

cpp17

Accepted 30/30

12ms

5700 KiB

// UUID: c748203f-7645-4f51-a831-af54d5eb3f31
#include <bits/stdc++.h>
using namespace std;

int main() {
	int n;
	cin >> n;
	vector<vector<int>> dp(n+1, vector<int>(2, 1));
	dp[1][0] = 2;
	dp[1][1] = 1;
	for(int i = 2; i <= n; i++){
		dp[i][1] = (dp[i-1][0]+dp[i-1][1]+dp[i-2][0])%2023;
		dp[i][0] = (dp[i][1]+dp[i-1][0]+dp[i-1][1]+dp[i-2][0]+dp[i-1][1]+dp[i-2][0]+dp[i-1][1])%2023;
	}
	cout << dp[n][0];
}

	Sum	Test	Verdict		Time	Memory
base	30/30
		1	Accepted	0/0	1ms	316 KiB
		2	Accepted	0/0	1ms	316 KiB
		3	Accepted	2/2	1ms	316 KiB
		4	Accepted	2/2	1ms	316 KiB
		5	Accepted	2/2	1ms	316 KiB
		6	Accepted	2/2	1ms	316 KiB
		7	Accepted	2/2	1ms	316 KiB
		8	Accepted	2/2	1ms	316 KiB
		9	Accepted	2/2	4ms	2040 KiB
		10	Accepted	2/2	4ms	2100 KiB
		11	Accepted	2/2	8ms	3808 KiB
		12	Accepted	3/3	10ms	4676 KiB
		13	Accepted	3/3	2ms	820 KiB
		14	Accepted	3/3	2ms	820 KiB
		15	Accepted	3/3	12ms	5700 KiB