Submission #14,553

2025-01-15 17:11:46

cpp17

Accepted 50/50

9ms

4148 KiB

#include <iostream>

using namespace std;

int main()
{
int n;
cin >> n;
if(n==1)
{
    cout << 2;
}
if(n==2)
{
    cout << 4;
}
if(n==3)
{
    cout << 10;
}
if(n>3)
{
    int t[n];
    t[0]=2;
    t[1]=4;
    t[2]=10;
    for(int i=3;i<n;i++)
    {
        t[i]=(2*t[i-1]+2*t[i-3])%20210108;
    }
    cout << t[n-1];
}
    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	1ms	316 KiB
		2	Accepted	0/0	1ms	316 KiB
		3	Accepted	3/3	1ms	316 KiB
		4	Accepted	3/3	1ms	316 KiB
		5	Accepted	4/4	1ms	316 KiB
		6	Accepted	4/4	1ms	316 KiB
		7	Accepted	4/4	9ms	4148 KiB
		8	Accepted	4/4	2ms	692 KiB
		9	Accepted	4/4	1ms	316 KiB
		10	Accepted	4/4	1ms	500 KiB
		11	Accepted	4/4	3ms	1076 KiB
		12	Accepted	4/4	9ms	4104 KiB
		13	Accepted	4/4	8ms	3636 KiB
		14	Accepted	4/4	4ms	1588 KiB
		15	Accepted	2/2	1ms	316 KiB
		16	Accepted	2/2	1ms	316 KiB