/C++/How to use comparator funtion in priority queue in c++

How to use comparator funtion in priority queue in c++

// suppose you want to apply comparator on pair <int, string>
// declaration of priority queue
priority_queue<pair<int, string>, vector<pair<int, string>>, myComp> pq;
// here myComp is comparator
struct myComp {
  bool operator()(
    pair<int, string>& a,
    pair<int, string>& b)
  {
    return a.first > b.first;
    // can write more code if required. depends upon requirement.
  }
};

Similar codes

0 vote136 views1 answer
Flutter text direction auto
C++
0 vote147 views1 answer
Youtube backlink generator tool
C++
0 vote154 views1 answer
Get bitshift to wrap c++
C++
0 vote141 views1 answer
Definition of singly linkedlist
C++
10 votes153 views2 answers
Why convert char* to string c++
C++
4 votes155 views3 answers
Convert int to binary string c++
C++
6 votes144 views2 answers
Precision c++
C++
0 vote147 views1 answer
How to run cpp using gcc vscode
C++
0 vote138 views1 answer
UENUM ue4
C++
3 votes187 views3 answers
C++ get char of string
C++