Submission #17,528

2025-07-18 10:57:37

cpp17

Wrong answer 45/50

48ms

8084 KiB

#include <iostream>
#include <vector>

using namespace std;

int MOD=20210108;

int main()
{
    int n;
    cin>>n;
    vector<long long> dp (n);
    dp[0]=2;
    dp[1]=4;
    dp[2]=10;
    int i=3;
    while(i<n)
        {
        dp[i]=(dp[i]+dp[i-1]*2)%MOD;
        dp[i]=(dp[i]+dp[i-3]*2)%MOD;
        i++;
        }
    cout<<dp[i-1];
    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	45/50
		1	Accepted	0/0	1ms	316 KiB
		2	Accepted	0/0	1ms	316 KiB
		3	Accepted	3/3	1ms	500 KiB
		4	Wrong answer	0/3	1ms	316 KiB
		5	Accepted	4/4	1ms	316 KiB
		6	Accepted	4/4	1ms	316 KiB
		7	Accepted	4/4	48ms	7988 KiB
		8	Accepted	4/4	7ms	1172 KiB
		9	Accepted	4/4	1ms	316 KiB
		10	Accepted	4/4	1ms	316 KiB
		11	Accepted	4/4	10ms	1844 KiB
		12	Accepted	4/4	46ms	8084 KiB
		13	Accepted	4/4	41ms	7252 KiB
		14	Accepted	4/4	16ms	2868 KiB
		15	Accepted	2/2	1ms	316 KiB
		16	Wrong answer	0/2	1ms	316 KiB