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min heap priority queue c++
Cheerful Chipmunk
on May 22, 2020
#include<queue>
std::priority_queue <int, std::vector<int>, std::greater<int> > minHeap; priority queue c++ type of pairs
Faithful Flatworm
on Nov 11, 2020
#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;
}Source: www.tutorialspoint.com
priority queue min heap
Courageous Chimpanzee
on Mar 15, 2021
#include <bits/stdc++.h>
using namespace std;
// User defined class, Point
class Point
{
int x;
int y;
public:
Point(int _x, int _y)
{
x = _x;
y = _y;
}
int getX() const { return x; }
int getY() const { return y; }
};
// To compare two points
class myComparator
{
public:
int operator() (const Point& p1, const Point& p2)
{
return p1.getX() > p2.getX();
}
};
// Driver code
int main ()
{
// Creates a Min heap of points (order by x coordinate)
priority_queue <Point, vector<Point>, myComparator > pq;
// Insert points into the min heap
pq.push(Point(10, 2));
pq.push(Point(2, 1));
pq.push(Point(1, 5));
// One by one extract items from min heap
while (pq.empty() == false)
{
Point p = pq.top();
cout << "(" << p.getX() << ", " << p.getY() << ")";
cout << endl;
pq.pop();
}
return 0;
}create a min heap in java using priority queue
Encouraging Eland
on Sep 08, 2020
int arr[]={1,2,1,3,3,5,7};
PriorityQueue<Integer> a=new PriorityQueue<>();
for(int i:arr){
a.add(i);
}
while(!a.isEmpty())
System.out.println(a.poll());All those coders who are working on the C++ based application and are stuck on min heap priority queue with pair can get a collection of related answers to their query. Programmers need to enter their query on min heap priority queue with pair related to C++ code and they'll get their ambiguities clear immediately. On our webpage, there are tutorials about min heap priority queue with pair for the programmers working on C++ code while coding their module. Coders are also allowed to rectify already present answers of min heap priority queue with pair while working on the C++ language code. Developers can add up suggestions if they deem fit any other answer relating to "min heap priority queue with pair". Visit this developer's friendly online web community, CodeProZone, and get your queries like min heap priority queue with pair resolved professionally and stay updated to the latest C++ updates.
