11279 최대 힙

https://www.acmicpc.net/problem/11279

11279번: 최대 힙

# BOJ_S2_11279_최대 힙[2023-02-17] </br>
문제 : https://www.acmicpc.net/problem/11279

<접근법>
```
1. 최대힙 구현 heappush(heap,-num)
2. heappush, heappop

```

```python


import heapq
import sys
input = sys.stdin.readline

n = int(input().rstrip())


heap = []

#힙 푸쉬, 힙 팝

for _ in range(n):
    s= int(input().rstrip())
    heapq.heappush(heap,-s)
    if s==0:
        print(-heapq.heappop(heap))
        
    elif s==0 and len(heap)==0:
        print(0)
  
```