Cisco

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Last Updated: 27 June 2024

Here, you can find all the technical resources (articles, coding problems, subjective problems, video tutorials and interview experiences) t ...read more

Cisco

Interview Preparation

How to check if a given array represents a Binary Heap?

Last Updated: 15 December 2022

Given an array, how to check if the given array represents a Binary Max-Heap.Examples:Input: arr[] = {90, 15, 10, 7, 12, 2} Output: TrueThe ...read more

K'th largest element in a stream

Last Updated: 30 December 2022

Given an infinite stream of integers, find the Kth largest element at any point of time.Note: Here we have a stream instead of a whole array ...read more

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K’th Smallest/Largest Element in Unsorted Array | Worst case Linear Time

Last Updated: 18 September 2023

We recommend reading the following posts as a prerequisite for this post.K’th Smallest/Largest Element in Unsorted ArrayK’th Smallest/La ...read more

K’th Smallest/Largest Element in Unsorted Array | Expected Linear Time

Last Updated: 18 September 2023

Prerequisite: K’th Smallest/Largest Element in Unsorted Array | Set 1Given an array and a number k where k is smaller than the size of the ...read more

K’th Smallest Element in Unsorted Array

Last Updated: 14 August 2024

Given an array arr[] of N distinct elements and a number K, where K is smaller than the size of the array. Find the K'th smallest element in ...read more

Insertion Sort Algorithm

Last Updated: 07 October 2024

Insertion sort is a simple sorting algorithm that works by iteratively inserting each element of an unsorted list into its correct position...read more

How to find Shortest Paths from Source to all Vertices using Dijkstra's Algorithm

Last Updated: 06 August 2024

Given a weighted graph and a source vertex in the graph, find the shortest paths from the source to all the other vertices in the given g...read more

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Prim’s Algorithm for Minimum Spanning Tree (MST)

Last Updated: 26 October 2024

Introduction to Prim's algorithm:We have discussedKruskal's algorithm for Minimum Spanning Tree. Like Kruskal's algorithm, Prim’s algorith...read more

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Sorted Array to Balanced BST

Last Updated: 07 October 2024

Given a sorted array. The task is to convert it into a Balanced Binary Search Tree (BST). Return the root of the BST.Examples:Input: arr[] =...read more

Reverse words in a string

Last Updated: 26 September 2024

Given a string str, the task is to reverse the order of the words in the given string. Notethatstrmay contain leading or trailing dots(.) or...read more

Level Order Traversal (Breadth First Search or BFS) of Binary Tree

Last Updated: 10 October 2024

Level Order Traversal technique is defined as a method to traverse a Tree such that all nodes present in the same level are traversed comple...read more

Count set bits in an integer

Last Updated: 11 April 2023

Write an efficient program to count the number of 1s in the binary representation of an integer.Examples :Input : n = 6Output : 2Binary repr...read more

Permutations of given String

Last Updated: 18 September 2024

Given a string S, the task is to write a program to print all permutations of a given string.A permutation also called an "arrangement numbe...read more

Find the Missing Number

Last Updated: 30 October 2024

Given an array arr[] of size n-1 with integers in the range of [1, n], the task is to find the missing number from the first N integers.Note ...read more

limited-range-elements

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