All Problems

258 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)

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TitleDifficultyVideosCompanies
Amount of New Area Painted Each Dayhard-
Can Make Palindrome from Substringmedium-
Car Poolingmedium-
Choose K Elements With Maximum Summedium-
Delivering Boxes from Storage to Portshard-
Design an Array Statistics Trackerhard-
Design Task Managermedium-
Digit Operations to Make Two Integers Equalmedium-
Find Time Required to Eliminate Bacterial Strainshard-
Kth Smallest Element in an Arraymedium-
Maximize Profit from Task Assignmentmedium-
Maximum Alternating Subsequence Summedium-
Maximum Number of Matching Indices After Right Shiftseasy-
Maximum Product of Two Elements in an Arrayeasy-
Maximum Sum With at Most K Elementsmedium-
Merge K Sorted Listshard
adobeairbnbalibaba
Minimum Cost to Make at Least One Valid Path in a Gridhard-
google
Minimum Cost Tree From Leaf Valuesmedium-
Minimum Difference Between Highest and Lowest of K Scoreseasy-
Minimum Operations to Make Elements Within K Subarrays Equalhard-
Minimum Operations to Make Subarray Elements Equalmedium-
Minimum Pair Removal to Sort Array Ieasy-
Minimum Pair Removal to Sort Array IIhard-
Number of Restricted Paths From First to Last Nodemedium-
Path With Minimum Effortmedium-
Process Tasks Using Serversmedium-
Stock Price Fluctuationmedium-
two-sigma
Kth Largest Element in an Arraymedium-
adobeairbnbalibaba
Skyline Problemhard-
adobeamazonapple
Sliding Window Maximumhard-
adobealibabaamazon
Maximum Intervals Overlap Countmedium
amazonappleatlassian
Generate nth ugly numbermedium-
amazonoracleuber
Closest Binary Search Tree Value IIhard-
amazonfacebookforusall
Find Median from Data Streamhard
adobeamazonapple
Top K Frequent Elementsmedium
amazonapplebloomberg
Design Twitter (Data Structure Design)medium-
amazondoordashoracle
Rearrange String k Distance Aparthard-
amazonebayfacebook
Find K Pairs with Smallest Sumsmedium-
amazonapplefacebook
Kth Smallest Element in a Sorted Matrixmedium-
adobeamazonapple
Trapping Rain Water 2hard-
amazonapplebytedance
Strong Password Checkerhard-
adobeamazongoogle
Sort Characters By Frequencymedium-
amazonbloombergexpedia
Sliding Window Medianhard-
amazonapplefacebook
The Maze 3 - Shortest Instructions to Reach the Holehard-
google
IPOhard
The Maze 2 - Shortest Distancemedium-
amazonfacebookgoogle
Relative Rankseasy
google
Task Schedulermedium-
amazonapplebloomberg
Course Schedule 3hard-
googlemicrosoftworks-applications
Smallest Range Covering Elements from K Listshard-
amazonapplefacebook
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