Submission #426

2021-11-03 09:04:13

cpp11

Runtime error 42/50

13ms

9516 KiB

#include <iostream>
#include <vector>

using namespace std;

int f(int input)
{
    vector<int> v(input);
    v[0] = 2;
    v[1] = 4;
    v[2] = 10; //8+2
    for (int n = 3; n <= input; n++)
    {
        v[n] = (2 * v[n - 1] + 2 * v[n - 3]) % 20210108;
    }
    return v[input-1];

    // vector<int> v;
    // v.push_back(2);
    // v.push_back(4);
    // v.push_back(10);
    // for (int n = 3; n <= input; n++)
    // {
    //     v.push_back((2 * v[n - 1] + 2 * v[n - 3]) % 20210108);
    // }
    // return v[input - 1];
}

int main()
{
    int a;
    cin >> a;
    cout << f(a) << "\n";
}

	Sum	Test	Verdict		Time	Memory
base	42/50
		1	Accepted	0/0	2ms	1808 KiB
		2	Accepted	0/0	1ms	1828 KiB
		3	Accepted	3/3	1ms	1784 KiB
		4	Accepted	3/3	1ms	1784 KiB
		5	Runtime error	0/4	1ms	1880 KiB
		6	Runtime error	0/4	1ms	2004 KiB
		7	Accepted	4/4	13ms	9516 KiB
		8	Accepted	4/4	3ms	2624 KiB
		9	Accepted	4/4	1ms	1796 KiB
		10	Accepted	4/4	1ms	1796 KiB
		11	Accepted	4/4	3ms	3276 KiB
		12	Accepted	4/4	10ms	9516 KiB
		13	Accepted	4/4	9ms	8472 KiB
		14	Accepted	4/4	4ms	4316 KiB
		15	Accepted	2/2	1ms	1900 KiB
		16	Accepted	2/2	1ms	1796 KiB