Submission #1,481

2022-11-10 17:16:20

cpp11

Accepted 40/40

4ms

5572 KiB

#include <bits/stdc++.h>
using namespace std;

int MOD = 20210108;

int main() {
	int n;
	cin >> n;
	vector<int> torony;
	torony.push_back(2); 
	torony.push_back(2);
	torony.push_back(4);
	for (int i = 3; i < n; i++) {
		torony.push_back((2*torony[i-3]+2*torony[i-2])%MOD);
	} 
	if (n < 2) {
		cout << 0;
	} else {
		cout << torony[n-2];
	}
}

	Sum	Test	Verdict		Time	Memory
base	40/40
		1	Accepted	0/0	3ms	1812 KiB
		2	Accepted	0/0	2ms	2068 KiB
		3	Accepted	2/2	2ms	2224 KiB
		4	Accepted	2/2	2ms	2424 KiB
		5	Accepted	3/3	2ms	2672 KiB
		6	Accepted	3/3	2ms	2780 KiB
		7	Accepted	3/3	4ms	4876 KiB
		8	Accepted	3/3	4ms	3976 KiB
		9	Accepted	3/3	2ms	2992 KiB
		10	Accepted	3/3	2ms	3016 KiB
		11	Accepted	3/3	4ms	5040 KiB
		12	Accepted	3/3	4ms	5288 KiB
		13	Accepted	4/4	4ms	5540 KiB
		14	Accepted	4/4	4ms	5572 KiB
		15	Accepted	2/2	2ms	3424 KiB
		16	Accepted	2/2	2ms	3432 KiB