#include <bits/stdc++.h>
using namespace std;
int main()
{
int n;
cin>>n;
int a[n];
for(int i=0;i<n;i++)
{
cin>>a[i];
}
sort(a,a+n);
int mod=n%3;
int sum=0;
for(int i=(n-1);i>0;i=i-3)
{
sum=sum+a[i]+a[i-1];
//cout<<sum<<" "<<a[i]<<" "<<a[i-1]<<endl;
}
if(mod==1)
{
sum=sum+a[0];
}
cout<<sum<<endl;
}
# |
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 |
3 ms |
256 KB |
Output is correct |
6 |
Correct |
44 ms |
760 KB |
Output is correct |
7 |
Correct |
40 ms |
760 KB |
Output is correct |
8 |
Correct |
40 ms |
632 KB |
Output is correct |
9 |
Correct |
60 ms |
672 KB |
Output is correct |
10 |
Correct |
58 ms |
632 KB |
Output is correct |