[BOJ] 28062 준석이의 사탕 사기 (JAVA)

https://www.acmicpc.net/problem/28062

28062번: 준석이의 사탕 사기

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Comparator;
import java.util.PriorityQueue;
import java.util.StringTokenizer;

public class Main {
	
    public static void main(String[] args) throws Exception {

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        PriorityQueue<Integer> odd = new PriorityQueue<>(Comparator.reverseOrder());
        int N = Integer.parseInt(br.readLine());
        int sum = 0;
        StringTokenizer st = new StringTokenizer(br.readLine(), " ");
        for (int i = 0; i < N; i++) {
            int num = Integer.parseInt(st.nextToken());
            if (num % 2 == 0) sum += num;
            else odd.add(num);
        }

        while (1 < odd.size()) sum += odd.poll() + odd.poll();
        System.out.print(sum);

    }
	
}