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SQL Study Plan
SQL Study Plan
Binary Search Study Plan
Binary Search Study Plan
14 Days Study Plan to Crack Algo
14 Days Study Plan to Crack Algo
2 Weeks Study Plan to Tackle DS
2 Weeks Study Plan to Tackle DS
Ultimate DP Study Plan
Ultimate DP Study Plan
Study plan
Study Plan
Complete and win badges
Array1120
String541
Hash Table387
Dynamic Programming370
Math361
Sorting249
Greedy245
Depth-First Search244
Database202
Breadth-First Search196
Tree189
Binary Search180
Matrix166
Binary Tree158
Two Pointers146
Bit Manipulation135
Stack126
Design112
Heap (Priority Queue)107
Graph98
Simulation92
Backtracking90
Prefix Sum89
Counting83
Sliding Window71
Linked List67
Union Find61
Ordered Set44
Recursion44
Monotonic Stack43
Trie41
Binary Search Tree40
Divide and Conquer38
Bitmask36
Enumeration35
Queue31
Geometry30
Memoization28
Segment Tree27
Topological Sort27
Game Theory24
Hash Function24
Binary Indexed Tree21
Interactive18
Rolling Hash17
Data Stream16
String Matching16
Shortest Path15
Number Theory13
Combinatorics13
Randomized12
Monotonic Queue9
Iterator9
Merge Sort9
Concurrency9
Brainteaser8
Probability and Statistics7
Doubly-Linked List7
Quickselect6
Bucket Sort6
Suffix Array6
Minimum Spanning Tree5
Counting Sort5
Shell4
Line Sweep4
Reservoir Sampling4
Eulerian Circuit3
Strongly Connected Component2
Radix Sort2
Rejection Sampling2
Biconnected Component1
Expand
All Topics
Algorithms
Database
Shell
Concurrency
Status
Title
Company
Solution
Acceptance
Difficulty
Frequency
175. Combine Two Tables
70.7%
Easy
176. Second Highest Salary
35.5%
Medium
177. Nth Highest Salary
36.3%
Medium
178. Rank Scores
57.9%
Medium
180. Consecutive Numbers
45.8%
Medium
181. Employees Earning More Than Their Managers
66.7%
Easy
182. Duplicate Emails
69.3%
Easy
183. Customers Who Never Order
64.3%
Easy
184. Department Highest Salary
47.5%
Medium
185. Department Top Three Salaries
47.7%
Hard
196. Delete Duplicate Emails
53.8%
Easy
197. Rising Temperature
42.9%
Easy
262. Trips and Users
38.0%
Hard
511. Game Play Analysis I
80.4%
Easy
512. Game Play Analysis II
54.4%
Easy
534. Game Play Analysis III
82.2%
Medium
550. Game Play Analysis IV
44.0%
Medium
569. Median Employee Salary
67.1%
Hard
570. Managers with at Least 5 Direct Reports
67.1%
Medium
571. Find Median Given Frequency of Numbers
44.5%
Hard
574. Winning Candidate
58.6%
Medium
577. Employee Bonus
74.9%
Easy
578. Get Highest Answer Rate Question
42.7%
Medium
579. Find Cumulative Salary of an Employee
43.5%
Hard
580. Count Student Number in Departments
57.1%
Medium
584. Find Customer Referee
76.6%
Easy
585. Investments in 2016
54.5%
Medium
586. Customer Placing the Largest Number of Orders
73.9%
Easy
595. Big Countries
75.8%
Easy
596. Classes More Than 5 Students
43.6%
Easy
597. Friend Requests I: Overall Acceptance Rate
42.6%
Easy
601. Human Traffic of Stadium
49.8%
Hard
602. Friend Requests II: Who Has the Most Friends
60.9%
Medium
603. Consecutive Available Seats
67.8%
Easy
607. Sales Person
70.0%
Easy
608. Tree Node
73.4%
Medium
610. Triangle Judgement
70.9%
Easy
612. Shortest Distance in a Plane
63.1%
Medium
613. Shortest Distance in a Line
81.3%
Easy
614. Second Degree Follower
35.9%
Medium
615. Average Salary: Departments VS Company
56.5%
Hard
618. Students Report By Geography
63.7%
Hard
619. Biggest Single Number
47.7%
Easy
620. Not Boring Movies
72.7%
Easy
626. Exchange Seats
69.6%
Medium
627. Swap Salary
80.5%
Easy
1045. Customers Who Bought All Products
67.5%
Medium
1050. Actors and Directors Who Cooperated At Least Three Times
72.8%
Easy
1068. Product Sales Analysis I
80.9%
Easy
1069. Product Sales Analysis II
82.3%
Easy
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