Submission #2,341

2023-01-10 18:12:42

cpp11

Accepted 40/40

4ms

6704 KiB

#include <bits/stdc++.h>

using namespace std;
using ll = long long int;
const ll inf = 1e9;

const ll mod = 20210108;

int main()
{
  int n;
  cin >> n;
  vector<ll> v(n + 1);
  v[0] = 1; v[1] = 0; v[2] = 2; 
  for(int i = 3; i <= n; ++i){
    v[i] = (v[i - 2] * 2 + v[i - 3] * 2) % mod;
  }
  cout << v[n] << endl;
  return 0;
}

	Sum	Test	Verdict		Time	Memory
base	40/40
		1	Accepted	0/0	3ms	2088 KiB
		2	Accepted	0/0	2ms	2236 KiB
		3	Accepted	2/2	2ms	2252 KiB
		4	Accepted	2/2	2ms	2416 KiB
		5	Accepted	3/3	2ms	2616 KiB
		6	Accepted	3/3	2ms	2824 KiB
		7	Accepted	3/3	4ms	5816 KiB
		8	Accepted	3/3	3ms	4900 KiB
		9	Accepted	3/3	2ms	3316 KiB
		10	Accepted	3/3	2ms	3364 KiB
		11	Accepted	3/3	4ms	6484 KiB
		12	Accepted	3/3	4ms	6704 KiB
		13	Accepted	4/4	4ms	6500 KiB
		14	Accepted	4/4	3ms	6156 KiB
		15	Accepted	2/2	2ms	4476 KiB
		16	Accepted	2/2	2ms	4432 KiB