Title Difficulty Companies Videos
Replace Elements with Greatest Element on Right Side Easy amazon
Invert Binary Tree Easy amazon apple bloomberg facebook google microsoft salesforce vmware
First Unique Character in a String Easy adobe amazon apple bloomberg facebook goldman-sachs google huawei jpmorgan linkedin microsoft servicenow yahoo zillow zulily
Substring with Concatenation of All Words Hard adobe amazon apple bloomberg dropbox facebook google microsoft
Merge Two Binary Trees Easy adobe amazon apple bloomberg facebook huawei oracle
Palindrome Linked List Problem Easy adobe amazon apple bloomberg cisco facebook google grab intel ixl microsoft nutanix snapchat vmware
Climbing Stairs - Take atmost 3 steps Easy
Intersection of Two Sorted Array Medium
Swap two number in place without temporary variables Medium
Swap Kth node from beginning with Kth node from end in a Linked List Medium
Subarray with sum divisible by k Medium
Second largest element in binary search tree Medium dropbox
Replace all occurrences of a pattern in a text by another string Medium
Reverse a stack in place using recursion Medium
Reverse the given Array without using built in function Easy
Reverse a string in C using as little additional memory as possible Medium
Print all sub sequences of a given array Easy
Number of elements less than or equal to a given number in a given subarray Medium
Minimum Number of Deletions Of a String Medium
Minimum Distance Between Two Elements in an Array Easy
Merge K Sorted Arrays Medium
Maximum Product of Three Numbers Easy amazon apple bloomberg cisco citadel coursera facebook goldman-sachs intuit redfin symantec
Maximum Pairwise Product 2 - Find pair with maximum product in array of Integers Medium
Maximum Difference between two elements in array Easy
Maximum and minimum sum subsequences at a distance greater than equal to M Medium
Maximize gems collected with an even number of red houses Medium
Maximum gain in a two-player game with picking elements from array ends Medium
Nuts and Bolts Problem OR Lock and Key Medium
Given an array count max number of surpassers
Find fixed point in sorted array Medium apple
Implement stack using linked list Easy
Implement stack using an array Easy
Implement Exponentiation or Power function using Bitwise Operator Medium
Check Currency Arbitrage with Bellman Ford Medium jane-street
Integer to English Words Problem Hard amazon apple barclays bloomberg capital-one citrix facebook google jpmorgan linkedin microsoft nutanix oracle palantir-technologies paypal sap splunk square tableau tesla uber visa yahoo yelp zillow
Generate All Strings of n bits Medium
Swap alternate nodes in a singly linked list Medium
Split Linked List 1 - At Middle Medium
Merge a Linked list into another at Alternate Positions Medium
Fizz Buzz Problem Easy adobe amazon apple bloomberg capital-one cisco google linkedin microsoft oracle salesforce spotify wayfair
Find smallest and second smallest elements in an array Medium
Find row with maximum number of 1s in sorted matrix Medium
Find largest three elements in an array Easy
Intersection of Three Sorted Arrays Easy facebook tripadvisor
Snakes and Ladders Problem Medium amazon apple cisco facebook google hulu microsoft uber
Find all prime factors of given number Medium
Find all unique combinations of factors for given number Medium
Excel Sheet Column Number Problem Easy amazon apple bloomberg dropbox facebook factset google microsoft uber
Deepest Left Node in a Binary Tree Medium
Calculate the number of valid stack permutations Medium