#include <bits/stdc++.h>
using namespace std;
const int N=1e5+55;
int a[N];
int main()
{
int n;
cin>>n;
for(int i=0;i<n;i++)
cin>>a[i];
sort(a,a+n);
long long ans=0;
for(int i=n-1;i>=0;i-=3)
{
ans+=a[i];
if(i-1>=0)
ans+=a[i-1];
}
cout<<ans<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
2 ms |
256 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
27 ms |
1144 KB |
Output is correct |
7 |
Correct |
24 ms |
1144 KB |
Output is correct |
8 |
Correct |
24 ms |
1144 KB |
Output is correct |
9 |
Correct |
37 ms |
1272 KB |
Output is correct |
10 |
Correct |
37 ms |
1256 KB |
Output is correct |