solved.ac [C++]

출처

• 2019 Sogang Programming Contest Champion A번

문제

링크

풀이

#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
using namespace std;
 
void solve(void) {
  int n;
  cin >> n;
 
  if (n == 0) {
    cout << "0";
    return;
  }
 
  vector<int> a(n);
  for (int i=0; i<n; i++) {
    cin >> a[i];
  }
  sort(a.begin(), a.end());
 
  int k = round(n * 0.15);
  double sum = 0;
  for (int i=k; i<n-k; i++) {
    sum += a[i];
  }
  int ans = round(sum / (n-2*k));
  cout << ans;
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  solve();
  return 0;
}