Submission #3,748

2023-03-02 18:35:14

cpp17

Wrong answer 45/50

8ms

3884 KiB

#include <bits/stdc++.h>
using namespace std;

const int mod = 20210108;

void solve(){
    int n;
    cin>>n;
    vector<int> dp(10);
    dp[0]=0;
    dp[1]=2;
    dp[2]=4;
    dp[3]=10;
    for(int i=4; i<=n; i++){
        dp[4]=(dp[3]*2+dp[1]*2)%mod;
        dp[0]=dp[1]%mod;
        dp[1]=dp[2]%mod;
        dp[2]=dp[3]%mod;
        dp[3]=dp[4]%mod;
    }
    cout<<dp[3]%mod;
}

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    solve();
    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	45/50
		1	Accepted	0/0	3ms	1832 KiB
		2	Accepted	0/0	3ms	2032 KiB
		3	Accepted	3/3	3ms	2260 KiB
		4	Wrong answer	0/3	2ms	2336 KiB
		5	Accepted	4/4	3ms	2608 KiB
		6	Accepted	4/4	3ms	2816 KiB
		7	Accepted	4/4	8ms	3304 KiB
		8	Accepted	4/4	3ms	3332 KiB
		9	Accepted	4/4	2ms	3348 KiB
		10	Accepted	4/4	3ms	3424 KiB
		11	Accepted	4/4	4ms	3492 KiB
		12	Accepted	4/4	8ms	3576 KiB
		13	Accepted	4/4	8ms	3796 KiB
		14	Accepted	4/4	4ms	3884 KiB
		15	Accepted	2/2	2ms	3880 KiB
		16	Wrong answer	0/2	2ms	3884 KiB