[SWEA] 힙

 

 

 

 

[문제]

https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AV-Tj7ya3jYDFAXr

SW Expert Academy

 

 

 

[소스 코드]

import java.io.*;
import java.util.*;
public class Solution {
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st;
		StringBuilder sb;
		int T = Integer.parseInt(br.readLine());
		for(int tc=1;tc<=T;tc++) {
			PriorityQueue<Integer> pq = new PriorityQueue<>((a,b)->b-a);
			sb = new StringBuilder();
			int n = Integer.parseInt(br.readLine());
			for(int i=0;i<n;i++) {
				st = new StringTokenizer(br.readLine());
				int a = Integer.parseInt(st.nextToken());
				if(a==1) {
					pq.offer(Integer.parseInt(st.nextToken()));
				}
				else {
					if(!pq.isEmpty()) {
						sb.append(pq.poll()+" ");
					}
					else {
						sb.append(-1+" ");
					}
				}
			}
			System.out.println("#"+tc+" "+sb);
		}
	}
}