Submission #7,157

2024-01-01 09:18:24

cpp17

Accepted 40/40

3ms

3956 KiB

#include <bits/stdc++.h>

#define speed cin.tie(0); ios::sync_with_stdio(0)

using namespace std;
using ll = long long;

int main() {
    speed;

    int N;
    cin >> N;
    vector<ll> dp(N + 1);

    dp[0] = 1;

    for (int i = 1; i <= N; i++) {

        dp[i] += dp[i - 1];
        
        if (i > 1) dp[i] += dp[i - 2];

        for (int j = 3; j <= i; j += 2) {
            dp[i] += dp[i - j] * 2;
        }

        for (int j = 4; j <= i; j += 2) {
            dp[i] += dp[i - j] * 2;
        }
    }

    cout << dp[N];
}

	Sum	Test	Verdict		Time	Memory
base	40/40
		1	Accepted	0/0	3ms	1824 KiB
		2	Accepted	0/0	3ms	2060 KiB
		3	Accepted	2/2	3ms	2272 KiB
		4	Accepted	2/2	3ms	2440 KiB
		5	Accepted	2/2	3ms	2676 KiB
		6	Accepted	2/2	3ms	2888 KiB
		7	Accepted	2/2	3ms	3096 KiB
		8	Accepted	3/3	3ms	3308 KiB
		9	Accepted	3/3	2ms	3396 KiB
		10	Accepted	3/3	3ms	3520 KiB
		11	Accepted	3/3	3ms	3608 KiB
		12	Accepted	3/3	3ms	3588 KiB
		13	Accepted	3/3	3ms	3588 KiB
		14	Accepted	3/3	2ms	3592 KiB
		15	Accepted	3/3	3ms	3720 KiB
		16	Accepted	3/3	3ms	3800 KiB
		17	Accepted	3/3	3ms	3956 KiB