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  1. #include <queue>
  2.  
  3. template <typename T>
  4. bool contains(std::priority_queue<T> &q, T val) {
  5.     for (int i = 0; i < q.size(); i++) {
  6.         if (q.top() == val) return true;
  7.         q.pop();
  8.     }
  9.     return false;
  10. }
  11. #include <iostream>
  12.  
  13. int main()
  14. {
  15.   std::priority_queue<int> q;
  16.   for (int i = 0; i<10; ++i) q.push(i);
  17.   std::cout << std::boolalpha; 
  18.   std::cout << contains(q, 5) << std::endl;
  19. }
  20.  
Success #stdin #stdout 0s 2984KB
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stdin
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Standard input is empty
stdout
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true
https://ideone.com/Cgfz6e
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
secret

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