Submission #22,198

2026-01-14 17:45:01

cpp17

Accepted 30/30

3ms

1076 KiB

// UUID: d08f649a-ef2a-4d79-b20e-8d31d0327995
#include <bits/stdc++.h>
using namespace std;

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

	Sum	Test	Verdict		Time	Memory
base	30/30
		1	Accepted	0/0	1ms	512 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	2ms	568 KiB
		10	Accepted	2/2	2ms	564 KiB
		11	Accepted	2/2	3ms	824 KiB
		12	Accepted	3/3	3ms	820 KiB
		13	Accepted	3/3	1ms	316 KiB
		14	Accepted	3/3	1ms	320 KiB
		15	Accepted	3/3	3ms	1076 KiB