/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

5 votes293 views3 answers
Fast io c++
C++
0 vote321 views1 answer
Vector size for loop
C++
2 votes266 views1 answer
How to use python sleep function on c++
C++
0 vote262 views1 answer
Format string cpp
C++
1 vote259 views1 answer
Push front vector cpp
C++
2 votes262 views2 answers
How to get cursor position c++
C++
0 vote245 views1 answer
How the theam are store in database
C++
8 votes260 views3 answers
Stack implementation using class in c++
C++
2 votes242 views2 answers
C++ check palindrome
C++
0 vote257 views1 answer
Frequency of a substring in a string c++
C++