Submission #1,543

2022-11-22 23:44:11

cpp14

Accepted 40/40

4ms

5204 KiB

#include <bits/stdc++.h>
#define speed ios::sync_with_stdio(0);cin.tie(0)
using namespace std;

int main() {
    speed;
    int n; cin >> n;
    vector<int> dp(n + 1);
    dp[0] = 1;
    for (int i = 1; i <= n; i++) {
        if (i >= 2) dp[i] += 2 * dp[i - 2];
        if (i >= 3) dp[i] += 2 * dp[i - 3];
        dp[i] %= 20210108;
    }
    cout << dp[n];
}

	Sum	Test	Verdict		Time	Memory
base	40/40
		1	Accepted	0/0	3ms	1708 KiB
		2	Accepted	0/0	2ms	1868 KiB
		3	Accepted	2/2	2ms	2068 KiB
		4	Accepted	2/2	2ms	2272 KiB
		5	Accepted	3/3	2ms	2656 KiB
		6	Accepted	3/3	2ms	2520 KiB
		7	Accepted	3/3	3ms	4052 KiB
		8	Accepted	3/3	3ms	3864 KiB
		9	Accepted	3/3	2ms	3244 KiB
		10	Accepted	3/3	2ms	3484 KiB
		11	Accepted	3/3	3ms	4872 KiB
		12	Accepted	3/3	4ms	4996 KiB
		13	Accepted	4/4	3ms	5204 KiB
		14	Accepted	4/4	3ms	4760 KiB
		15	Accepted	2/2	2ms	4084 KiB
		16	Accepted	2/2	2ms	4040 KiB