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  1. #include<bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. struct cmp{
  6. 	bool operator()(long long a, long long b){
  7. 		if(abs(a)==abs(b))
  8. 			return a>b;
  9. 		return abs(a)>abs(b);
  10. 	}
  11. };
  12.  
  13. int main(){
  14. 	int n, x;
  15. 	priority_queue<long long, vector<long long>, cmp>pq;
  16.  
  17. 	cin>>n;
  18.  
  19. 	while(n--){
  20. 		cin>>x;
  21.  
  22. 		if(x==0){
  23. 			if(pq.empty())
  24. 				cout<<0<<'\n';
  25. 			else{
  26. 				cout<<pq.top()<<'\n';
  27. 				pq.pop();
  28. 			}
  29. 		}
  30. 		else
  31. 			pq.push(x);
  32. 	}
  33.  
  34. 	return 0;
  35. }
Success #stdin #stdout 0s 5316KB
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https://ideone.com/WAaoy8
language:
C++ (gcc 8.3)
created:
5 hours ago
visibility:
public

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