Submission #371

2021-11-03 07:56:42

kovacs.peter.18f

cpp11

Runtime error 38/50

52ms

61692 KiB

#include <iostream>
#include <vector>

using namespace std;

vector<int> variationS;

int variations(int n) {
    if (n < 0) {
        return 0;
    }
    if (n == 0) {
        return 1;
    }
    if (variationS[n]) {
        return variationS[n];
    }
    return variationS[n] = (2 * variations(n - 1) + 2 * variations(n - 3)) % 20210108;
}

int main() {
    cin.sync_with_stdio(false);
    cin.tie(nullptr);

    int N;
    cin >> N;
    variationS.resize(N + 1);
    cout << variations(N) << '\n';
}

	Sum	Test	Verdict		Time	Memory
base	38/50
		1	Accepted	0/0	2ms	1816 KiB
		2	Accepted	0/0	1ms	2052 KiB
		3	Accepted	3/3	1ms	1924 KiB
		4	Accepted	3/3	1ms	1924 KiB
		5	Accepted	4/4	2ms	1936 KiB
		6	Accepted	4/4	1ms	1932 KiB
		7	Runtime error	0/4	52ms	61596 KiB
		8	Accepted	4/4	7ms	10580 KiB
		9	Accepted	4/4	1ms	1944 KiB
		10	Accepted	4/4	2ms	1952 KiB
		11	Accepted	4/4	10ms	15924 KiB
		12	Runtime error	0/4	35ms	61688 KiB
		13	Runtime error	0/4	28ms	61692 KiB
		14	Accepted	4/4	17ms	25420 KiB
		15	Accepted	2/2	1ms	1968 KiB
		16	Accepted	2/2	1ms	1976 KiB