C++ 알고리즘 - 백준 18110 solved.ac

https://www.acmicpc.net/problem/18110

 

#include <bits/stdc++.h>
#define endl "\n"

using namespace std;

int main(void) {
	// C++ Init
	ios::sync_with_stdio(false);
	cin.tie(NULL);

	int input1, input2;
	int exp;
	int sum = 0;
	int score;
	vector<int> v;

	cin >> input1;

	if (input1 == 0) {
		cout << 0 << endl;
		return 0;
	}		
	
	exp = round(input1 * 0.15);

	for (int i = 0; i < input1; i++) {
		cin >> input2;
		v.push_back(input2);
	}

	sort(v.begin(), v.end());

	v.erase(v.begin(), v.begin() + exp);
	v.erase(v.end() - exp, v.end());

	for (int i = 0; i < v.size(); i++) {
		sum += v[i];
	}

	score = round(sum / double(v.size()));
	cout << score;
}