Submission #22,167

2026-01-14 17:35:12

cpp17

Accepted 30/30

3ms

1076 KiB

// UUID: f528f6ac-5ca1-4425-955b-5e0595631a0f
#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    
    int n;
    cin >> n;
    vector<int> a(n);
    vector<int> b(n);
    a[0] = 2;
    b[0] = 1;
    a[1] = 11;
    b[1] = 4;
    for(int i=2; i<n; i++){
        b[i]=(a[i-1]+a[i-2]+b[i-1])%2023;
        a[i]=(a[i-1]+2*a[i-2]+b[i]+3*b[i-1])%2023;
    }
    cout << a[n-1];
}

	Sum	Test	Verdict		Time	Memory
base	30/30
		1	Accepted	0/0	1ms	316 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	564 KiB
		10	Accepted	2/2	2ms	568 KiB
		11	Accepted	2/2	2ms	960 KiB
		12	Accepted	3/3	2ms	1040 KiB
		13	Accepted	3/3	1ms	488 KiB
		14	Accepted	3/3	1ms	316 KiB
		15	Accepted	3/3	3ms	1076 KiB