Submission #22,206

2026-01-14 17:49:47

cpp17

Accepted 30/30

3ms

1068 KiB

// UUID: 0d774b5a-ada9-4dd5-ac63-31cb819cc4a1
#include <bits/stdc++.h>
using namespace std;

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

	Sum	Test	Verdict		Time	Memory
base	30/30
		1	Accepted	0/0	1ms	500 KiB
		2	Accepted	0/0	1ms	500 KiB
		3	Accepted	2/2	1ms	316 KiB
		4	Accepted	2/2	1ms	316 KiB
		5	Accepted	2/2	1ms	508 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	800 KiB
		10	Accepted	2/2	2ms	564 KiB
		11	Accepted	2/2	2ms	820 KiB
		12	Accepted	3/3	3ms	820 KiB
		13	Accepted	3/3	1ms	316 KiB
		14	Accepted	3/3	1ms	388 KiB
		15	Accepted	3/3	3ms	1068 KiB