# Category Archives: Queue

Given an integer N, representing the number of stairs, valued from 1 to N, and a starting position S, the task is to count the… Read More
Given a weighted graph consisting of N nodes and M edges, a source vertex, a destination vertex, and an integer K, the task is to… Read More
Given a binary matrix mat[][] of dimensions of N * M and pairs of integers src and dest representing source and destination cells respectively, the… Read More
Given an array arr[][] consisting of N segments of the form {L, R, V} where, [L, R] denotes a segment with velocity V in any… Read More
Given a Graph consisting of N vertices and M weighted edges and an array edges[][], with each row representing the two vertices connected by the… Read More
Linear Queue: A Linear Queue is generally referred to as Queue. It is a linear data structure that follows the FIFO (First In First Out)… Read More
Given an integer N, representing the number of nodes present in an undirected graph, with each node valued from 1 to N, and a 2D… Read More
Given a Binary Tree consisting only ‘(‘ and ‘)’ a level is considered to be balanced if the nodes of the level having parenthesis are… Read More
Given a Binary Tree consisting of N nodes, the task is to replace all the nodes that are present at even-numbered levels in a Binary… Read More
Given a binary tree, the task is to print the inorder traversal of the modified tree obtained after shifting all the nodes of the given… Read More
Given a Binary Tree consisting of nodes with values 0 and 1 only, the task is to find the total sum of the decimal equivalents… Read More
Given an array arr[] consisting of N integers and an integer K, the task is to print the maximum sum possible in a subsequence satisfying… Read More
Given a binary tree consisting of N nodes, the task is to check if the nodes in the top view of a Binary Tree forms… Read More
Given a Binary Tree consisting of N nodes, the task is to find the sum of Bitwise AND of the sum of all leaf nodes… Read More
Given an array arr[] and an integer K, the task is to print the position of the array elements, where the ith value in the… Read More