Submission #1242887

#	Time	Username	Problem	Language	Result	Execution time	Memory
1242887		MateiKing80	medians (balkan11_medians)	C++20	100 / 100	147 ms	11048 KiB

medians

#include <bits/stdc++.h>

using namespace std;

set<int> s;

int main() {
	int n;
	cin >> n;
	for (int i = 1; i <= 2 * n - 1; i ++)
		s.insert(i);
	int x;
	cin >> x;
	s.erase(x);
	cout << x << " ";
	int last = x;
	for (int i = 1; i < n; i ++) {
		cin >> x;
		if (s.count(x)) {
			cout << x << " ";
			s.erase(x);
			if (last < x) {
				cout << (*s.rbegin()) << " ";
				s.erase(*s.rbegin());
			} else {
				cout << (*s.begin()) << " ";
				s.erase(*s.begin());
			}
		} else {
			if (last <= x) {
				cout << (*s.rbegin()) << " ";
				s.erase(*s.rbegin());
			} else {
				cout << (*s.begin()) << " ";
				s.erase(*s.begin());
			}
			if (last < x) {
				cout << (*s.rbegin()) << " ";
				s.erase(*s.rbegin());
			} else {
				cout << (*s.begin()) << " ";
				s.erase(*s.begin());
			}
		}
		last = x;
	}
	cout << '\n';
}

• Subtask 1: 65 / 65
• Subtask 2: 35 / 35