cpp-queue

63 posts

Last Updated: 02 November 2022

A priority Queue is an abstract data type that resembles a queue, and each element has a corresponding priority value. Priority queues are b ...read more

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cpp-queue

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How to Iterate a STL Queue in C++?

Last Updated: 06 February 2023

A Queue is a linear structure that follows a particular order in which the operations are performed. The order is First In First Out (FIFO). ...read more

Important functions of STL Components in C++

Last Updated: 02 November 2023

[tabby title="C++"][sourcecode language="cpp"]// C++ code#include iostream#include utilityusing namespace std;int main(){ // Declaring th ...read more

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Sum of cousins of a given node in a Binary Tree

Last Updated: 30 August 2022

Given a binary tree and data value of a node. The task is to find the sum of cousin nodes of given node. If given node has no cousins then r ...read more

Check if two nodes are cousins in a Binary Tree using BFS

Last Updated: 23 September 2024

Given a binary tree (having distinct node values) root and two node values. The task is to check whether the two nodes with values a and b a...read more

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Reverse a path in BST using queue

Last Updated: 17 August 2022

Given a binary search tree and a key, your task to reverse path of the binary tree.Prerequisite : Reverse path of Binary treeExamples :Input ...read more

Path in a Rectangle with Circles

Last Updated: 29 March 2024

There is a m*n rectangular matrix whose top-left(start) location is (1, 1) and bottom-right(end) location is (m*n). There are k circles each...read more

queue::emplace() in C++ STL

Last Updated: 21 October 2020

Queue is also an abstract data type or a linear data structure, which follows a particular order in which the operations are performed. The ...read more

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queue::swap() in C++ STL

Last Updated: 08 September 2022

Queue is also an abstract data type or a linear data structure, which follows a particular order in which the operations are performed. The ...read more

STL

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cpp-queue

priority_queue::top() in C++ STL

Last Updated: 31 July 2022

Priority queues are a type of container adaptors, specifically designed such that the first element of the queue is either the greatest or t ...read more

priority_queue::empty() and priority_queue::size() in C++ STL

Last Updated: 01 June 2023

Priority queues are a type of container adaptors, specifically designed such that the first element of the queue is either the greatest or t ...read more

Number of visible boxes after putting one inside another

Last Updated: 12 April 2023

Given N boxes and their size in an array. You are allowed to keep a box inside another box only if the box in which it is held is empty and ...read more

Iterative diagonal traversal of binary tree

Last Updated: 26 September 2024

Given a Binary Tree, the task is to print the diagonal traversal of the binary tree.Note: If the diagonal element are present in two differe...read more

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cpp-queue

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Check if the given array can represent Level Order Traversal of Binary Search Tree

Last Updated: 14 October 2024

Given an array of size n. The task is to check whether the given array can represent the level order traversal of a Binary Search Tree or no...read more

Find the largest multiple of 3 | Set 1 (Using Queue)

Last Updated: 20 May 2024

Given an array of non-negative integers. Find the largest multiple of 3 that can be formed from array elements.Examples:Input: {8,1,9}Output ...read more

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