Submission #1,521

2022-11-21 23:59:08

cpp14

Accepted 50/50

10ms

10936 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 >= 1) dp[i] += 2 * dp[i - 1];
        if (i >= 3) dp[i] += 2 * dp[i - 3];
        dp[i] %= 20210108;
    }
    cout << dp[n];
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	3ms	2104 KiB
		2	Accepted	0/0	2ms	2116 KiB
		3	Accepted	3/3	2ms	2312 KiB
		4	Accepted	3/3	2ms	2532 KiB
		5	Accepted	4/4	2ms	2740 KiB
		6	Accepted	4/4	2ms	2808 KiB
		7	Accepted	4/4	10ms	10724 KiB
		8	Accepted	4/4	3ms	3908 KiB
		9	Accepted	4/4	2ms	3092 KiB
		10	Accepted	4/4	2ms	3092 KiB
		11	Accepted	4/4	4ms	4432 KiB
		12	Accepted	4/4	9ms	10936 KiB
		13	Accepted	4/4	9ms	10200 KiB
		14	Accepted	4/4	4ms	5864 KiB
		15	Accepted	2/2	2ms	3484 KiB
		16	Accepted	2/2	2ms	3624 KiB