All Problems

209 problems total

Array (1905)Sorting (440)Depth First Search (316)Database (301)Breadth First Search (241)Tree (240)Stack (172)Graph Theory (169)Linked List (81)Monotonic Stack (67)Queue (50)Recursion (48)Shortest Path (33)
All Topics(4301)Algorithms(3944)Database(305)Networking(0)Object Oriented Design(31)Programming Languages(5)System Design(0)

Filter by Difficulty:

EasyMediumHard

Tag:

Company:

Active filters:Difficulty: easy×Company: amazon×
TitleDifficultyVideosCompanies
Assign Mice To Holeseasy-
amazon
Busiest period in a buildingeasy-
amazon
Design log Order recordseasy-
twitteramazon
Find GCD of n numberseasy-
amazon
Find if there is a path between two vertices in a directed grapheasy-
googlefacebookamazon
Find the Index of the First Occurrence in a Stringeasy-
adobeamazonapple
Huffman Tree Character Encodingeasy-
amazon
Implement stack using priority queueeasy-
adobemicrosoftamazon
Two Sumeasy
adobeaetionaffirm
Palindrome Numbereasy
adobeamazonapple
Roman To Integereasy
adobeamazonapple
Longest Common Prefix in array of stringeasy-
adobealibabaamazon
Valid Parentheseseasy
adobeairbnbakuna-capital
Merge Two Sorted Linked Listseasy
adobeairbnbalibaba
Minimize Maximum Mouse Distance to Holeseasy-
amazon
Number of Overlapping Lines between points on 2 parallel lineseasy-
amazonfacebook
Product Sales Analysis Ieasy-
amazon
Redundant Braceseasy-
amazon
Run-length Encodingeasy-
amazon
Smallest positive integer that cannot be represented as the sum of a subset of a sorted arrayeasy-
amazon
Remove duplicates from Sorted Array 1easy
adobeamazonapple
Remove Elementeasy
amazonbloomberggoogle
Search Insert Position in sorted arrayeasy-
adobeamazonapple
Length of Last Wordeasy
amazon
Symmetric N-ary Tree Detectioneasy-
amazon
Plus One 1 - Given number as array plus oneeasy-
adobeamazonapple
Add Binary Stringseasy-
adobeamazonapple
Square root of an integereasy-
amazonapplebloomberg
Climbing Stairs - Take atmost 2 Stepseasy
adobealibabaamazon
Remove duplicates from Sorted List 1easy
adobeamazonapple
Merge Two Sorted Arrayseasy-
adobeamazonapple
Binary Tree Inorder Traversaleasy-
alibabaamazonapple
Same Treeeasy
amazonapplebloomberg
Symmetric Binary Treeeasy-
adobealibabaamazon
Maximum Depth of Binary Treeeasy
adobeamazonapple
Convert Sorted Array to height-balanced Binary Search Treeeasy
airbnbamazonapple
Balanced Binary Treeeasy-
adobeamazonapple
Minimum Depth of Binary Treeeasy-
amazonapplefacebook
Path Sum 1 - Check if root to leaf path existseasy-
adobeamazonapple
Pascal’s Triangle 1 - Generate first n rowseasy-
adobeamazonapple
Pascal’s Triangle 2 - Return nth roweasy-
amazongoldman-sachsgoogle
Best Time To Buy And Sell Stock 1 - only one transactioneasy
adobeakuna-capitalalibaba
Valid Palindromeeasy
adobeamazonapple
Single Number 1 - All elements except one occur twiceeasy
adobeairbnbamazon
Linked List Cycle 1 - Detect Cycleeasy
adobeamazonapple
Binary Tree Preorder Traversaleasy-
amazonbloombergcisco
Binary Tree Postorder Traversaleasy-
adobeamazonfacebook
Intersection of Two Linked Listseasy-
airbnbalibabaamazon
Missing Rangeseasy-
amazonfacebookgoogle
Majority Element - Boyer–Moore majority vote algorithmeasy-
adobeamazonapple
Showing 1 to 50 of 209 results
123...5Next