3794 | 2023. 03. 02 22:27:42 | Erik_Gepard | Járda-L (40) | cpp17 | Accepted 40/40 | 3ms | 4060 KiB |
#include<bits/stdc++.h>
using namespace std;
void solve(){
int n;
cin>>n;
vector<int> dp(30);
dp[0]=1;
dp[1]=1;
dp[2]=2;
for(int i=3; i<=n; i++){
dp[i]=dp[i-1]*2+dp[i-3];
}
cout<<dp[n];
return;
}
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
solve();
return 0;
}
Subtask | Sum | Test | Verdict | Time | Memory | ||
---|---|---|---|---|---|---|---|
base | 40/40 | ||||||
1 | Accepted | 0/0 | 3ms | 1832 KiB | |||
2 | Accepted | 0/0 | 3ms | 2052 KiB | |||
3 | Accepted | 2/2 | 3ms | 2540 KiB | |||
4 | Accepted | 2/2 | 2ms | 2552 KiB | |||
5 | Accepted | 2/2 | 2ms | 2776 KiB | |||
6 | Accepted | 2/2 | 3ms | 2908 KiB | |||
7 | Accepted | 2/2 | 3ms | 3108 KiB | |||
8 | Accepted | 3/3 | 2ms | 3196 KiB | |||
9 | Accepted | 3/3 | 3ms | 3412 KiB | |||
10 | Accepted | 3/3 | 2ms | 3380 KiB | |||
11 | Accepted | 3/3 | 2ms | 3388 KiB | |||
12 | Accepted | 3/3 | 2ms | 3604 KiB | |||
13 | Accepted | 3/3 | 2ms | 3824 KiB | |||
14 | Accepted | 3/3 | 2ms | 3824 KiB | |||
15 | Accepted | 3/3 | 3ms | 4048 KiB | |||
16 | Accepted | 3/3 | 2ms | 4060 KiB | |||
17 | Accepted | 3/3 | 2ms | 4044 KiB |