Submission #23,381

2026-01-21 08:05:58

cpp17

Accepted 30/30

3ms

1076 KiB

// UUID: 4f8de35b-b319-4dea-be64-1a76682438eb
#include <bits/stdc++.h>
using namespace std;

int main() {
	int n;
	cin>>n;
	vector<int>b(n+1);
	vector<int>a(n+1);
	b[0]=1;//b
	b[1]=2;
	a[1]=1;//a sarok
	for(int i=2;i<n+1;i++){
		a[i]=(a[i-1]+b[i-1]+b[i-2])%2023;
		b[i]=(a[i-1]*4+b[i-1]*2+b[i-2]*3)%2023;
	}
	cout<<b[n]<<"\n";
}

	Sum	Test	Verdict		Time	Memory
base	30/30
		1	Accepted	0/0	1ms	500 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	508 KiB
		9	Accepted	2/2	2ms	564 KiB
		10	Accepted	2/2	1ms	564 KiB
		11	Accepted	2/2	2ms	916 KiB
		12	Accepted	3/3	2ms	820 KiB
		13	Accepted	3/3	1ms	316 KiB
		14	Accepted	3/3	1ms	316 KiB
		15	Accepted	3/3	3ms	1076 KiB