Answers for "priority queue of pairs in c++"

Java

how to make priority queue of pairs in java

PriorityQueue<Pair<Integer,Integer> > pq=
                new PriorityQueue<Pair<Integer,Integer>>(n, Comparator.comparing(Pair::getKey));

Posted by: Guest on September-28-2021

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how to store pair in min heap in c++

typedef pair<int, int> pi;
priority_queue<pi, vector<pi>, greater<pi> > pq;

Posted by: Guest on December-09-2020

priority queue c++ type of pairs

#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> pi;
// main program
int main() {
   priority_queue<pi, vector<pi>, greater<pi> > pq;
   pq.push(make_pair(10, 200));
   pq.push(make_pair(20, 100));
   pq.push(make_pair(15, 400));
   pair<int, int> top = pq.top();
   cout << top.first << " " << top.second;
   return 0;
}

Posted by: Guest on November-11-2020

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