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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.  
  6. 	priority_queue<int> pq;
  7. 	pq.push(1); 
  8. 	pq.push(5); 
  9. 	pq.push(2); 
  10. 	pq.push(6); 
  11.  
  12. 	cout << pq.top(); // print 6 
  13. 	cout << endl;
  14. 	pq.pop(); 
  15. 	cout << pq.top(); // print 5 
  16. 	cout << endl;
  17.  
  18. 	priority_queue<pair<int,int>> pq2;
  19. 	pq2.push({1, 5}); 
  20. 	pq2.push({1, 6}); 
  21. 	pq2.push({1, 7}); 
  22. 	cout << pq2.top().first << " " << pq2.top().second << endl;
  23.  
  24. 	priority_queue<int, vector<int>, greater<int>> pq3; // min pq
  25. 	pq3.push(1); 
  26. 	pq3.push(5); 
  27. 	pq3.push(2); 
  28. 	pq3.push(6); 
  29.  
  30. 	cout << pq3.top() << endl; // prints 1 
  31.  
  32. 	priority_queue<pair<int,int>, vector<pair<int,int>>, greater<pair<int,int>>> pq4;
  33.  
  34. 	return 0;
  35. }
  36.  
Success #stdin #stdout 0s 5292KB
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Standard input is empty
stdout
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6
5
1 7
1
https://ideone.com/pUH4wJ
language:
C++ (gcc 8.3)
created:
44 days ago
visibility:
public

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