cpp-priority-queue Archives

Priority Queue of Sets in C++ with Examples

Last Updated: 18 January 2022

Priority QueuesPriority queues are a type of container adapters, specifically designed such that the first element of the queue is the greatest of all elements in the queu...read more

Priority Queue of Lists in C++ with Examples

Last Updated: 10 November 2021

Priority QueuePriority queues are a type of container adapters, specifically designed such that the first element of the queue is the greatest of all elements in the queue...read more

Priority Queue of Tuples in C++ with Examples

Last Updated: 23 November 2021

Priority QueuePriority queues are a type of container adapters, specifically designed such that the first element of the queue is the greatest of all elements in the queue...read more

Priority Queue of Maps in C++ with Examples

Last Updated: 23 November 2021

Priority QueuePriority queues are a type of container adapters, specifically designed such that the first element of the queue is the greatest of all elements in the queue...read more

Minimize refills to reach end of path

Last Updated: 03 February 2023

Given an integer target which represents the total distance to be covered by a car on a straight road. Given another array, station[] of size N representing petrol pumps w...read more

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cpp-priority-queue

Sum of first M fractions formed from Array of primes

Last Updated: 25 January 2023

Given an integer M and a sorted integer array arr[] of length N containing 1 and N-1 prime numbers, each appearing just once, the task is to find the sum of M smallest pos...read more

Why can't a Priority Queue wrap around like an ordinary Queue?

Last Updated: 06 September 2022

Priority Queue:A priority queue is a special type of queue in which each element is assigned a priority value. And elements are served based on their priority. This means ...read more

Multiple comparisons in a C++ priority queue?

Last Updated: 11 January 2024

What is a Priority Queue?A Priority Queue is an abstract data type that is similar to a queue, and every element has some priority value associated with it. The priority o...read more

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cpp-priority-queue

Custom Comparator in Priority_queue in C++ STL

Last Updated: 26 May 2025

In C++, a priority queue is an STL container that utilizes the Heap Data Structure. It is useful when we need to retrieve the min or max element in constant time O(1), whi...read more

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cpp-priority-queue

Implement the insert and delete functions on Priority queue without Array

Last Updated: 29 January 2024

A priority Queue is a type of queue in which every element is associated with a priority and is served according to its priority.We will use two popular data structures fo...read more

Heap

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cpp-priority-queue

Maximum length intersection of all K ranges among all given ranges

Last Updated: 28 March 2023

Given an array arr[] consisting of N ranges of the form [L, R], the task is to select K ranges such that the intersection length of the K ranges is maximum.Examples:Input:...read more

How to Delete an Element from a Priority Queue in C++ ?

Last Updated: 07 February 2024

In C++, a priority queue is a queue in which elements are arranged based on their priority values as each element has a priority value associated with it. In this article,...read more

How to Implement Priority Queue Using Multimap in C++?

Last Updated: 16 February 2024

A priority queue is a type of queue where elements are removed from the queue based on some priority. The element with the highest (or lowest priority depending on the typ...read more

How to Find the Third Smallest Number in an Array in C++?

Last Updated: 13 February 2024

In C++, an array is the collection of similar data elements that are stored in the contiguous memory location and we can access these elements directly by their index valu...read more

How to Create a Stack of Priority_Queue in C++?

Last Updated: 13 March 2024

In C++, std::stackis a container that follows the LIFO (Last In, First Out) rule, whereasstd::priority_queueis a type of queue in which the first element is either the gre...read more