Submission #13,840

2025-01-08 21:05:56

cpp17

Accepted 40/40

1ms

508 KiB

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

int main() {
	int n; cin >> n;
	vector <int> dp(30);
	dp[0] = 0;
	dp[1] = 1;
	dp[2] = 2;
	dp[3] = 5;
	for(int i = 4; i <= 29; i++){
		dp[i] = dp[i-3] + 2 * dp[i-1];
	}
	cout << dp[n];
	
}

	Sum	Test	Verdict		Time	Memory
base	40/40
		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	332 KiB
		6	Accepted	2/2	1ms	316 KiB
		7	Accepted	2/2	1ms	388 KiB
		8	Accepted	3/3	1ms	320 KiB
		9	Accepted	3/3	1ms	316 KiB
		10	Accepted	3/3	1ms	508 KiB
		11	Accepted	3/3	1ms	316 KiB
		12	Accepted	3/3	1ms	316 KiB
		13	Accepted	3/3	1ms	320 KiB
		14	Accepted	3/3	1ms	316 KiB
		15	Accepted	3/3	1ms	316 KiB
		16	Accepted	3/3	1ms	508 KiB
		17	Accepted	3/3	1ms	316 KiB