Submission #23,024

2026-01-16 10:49:38

cpp17

Accepted 30/30

3ms

1844 KiB

// UUID: 3544f4a8-9dc8-47da-ba48-ab324effac94
#include <bits/stdc++.h>
using namespace std;

#define int long long

signed main() {
	int n; cin >> n;
    vector<int>a(n+1), b(n+1);
    a[1] = 1, b[1] =2, a[2] = 4, b[2] = 11;
    for(int i = 3; i <= n; i++)a[i] = (a[i-1]+b[i-1]+b[i-2]) % 2023 , b[i] = (2*b[i-1] + 3*b[i-2] + 4*a[i-1]) % 2023;
    cout << b[n];
}

	Sum	Test	Verdict		Time	Memory
base	30/30
		1	Accepted	0/0	1ms	508 KiB
		2	Accepted	0/0	2ms	316 KiB
		3	Accepted	2/2	2ms	316 KiB
		4	Accepted	2/2	2ms	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	352 KiB
		9	Accepted	2/2	2ms	820 KiB
		10	Accepted	2/2	2ms	820 KiB
		11	Accepted	2/2	3ms	1332 KiB
		12	Accepted	3/3	3ms	1596 KiB
		13	Accepted	3/3	1ms	316 KiB
		14	Accepted	3/3	1ms	564 KiB
		15	Accepted	3/3	3ms	1844 KiB