Submission #22,732

2026-01-15 17:26:17

cpp17

Accepted 30/30

4ms

1844 KiB

// UUID: b4f53838-1be4-481f-8644-62eca29fdeff
#include <bits/stdc++.h>
using namespace std;

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

	Sum	Test	Verdict		Time	Memory
base	30/30
		1	Accepted	0/0	1ms	316 KiB
		2	Accepted	0/0	1ms	508 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	332 KiB
		8	Accepted	2/2	1ms	316 KiB
		9	Accepted	2/2	2ms	836 KiB
		10	Accepted	2/2	2ms	820 KiB
		11	Accepted	2/2	3ms	1356 KiB
		12	Accepted	3/3	3ms	1604 KiB
		13	Accepted	3/3	1ms	316 KiB
		14	Accepted	3/3	1ms	564 KiB
		15	Accepted	3/3	4ms	1844 KiB