coding-practice Coding Problems

All C# Programs — Data Structures 167 DSA — Dynamic Programming 105 DSA — Binary Search 105 DSA — Two Pointers 105 DSA — Arrays 105 DSA — Trees 105 DSA — Stacks & Queues 105 DSA — Strings 105 DSA — Hashing 105 C# Programs — Arrays 105 C# Programs — Strings 105 DSA — Graphs 105 DSA — Sorting 105 C# Programs — LINQ 104 C# Programs — Sorting 103 C# Programs — Collections 103 C# Programs — OOP 103 SQL Server — CTEs 101 SQL Server — SELECT basics 101 SQL Server — Window functions 101 SQL Server — DDL & constraints 101 SQL Server — Aggregates & GROUP BY 101 SQL Server — JOINs 101 C# Programs — Interfaces 101 C# Programs — Inheritance 101 SQL Server — T-SQL procedures 101 SQL Server — WHERE & filtering 101 SQL Server — Indexes & plans 101

6523 problems in this topic

#	Title	Topics	Acceptance	Pts	Difficulty
4051	PostgreSQL SERIAL and REFERENCES #12	PostgreSQL — DDL & constraints postgresql coding-practice	—	30	Medium	Solve
4052	T-SQL PARTITION BY dept #12	SQL Server — Window functions sqlserver coding-practice	—	30	Medium	Solve
4053	events exercise #12	C# Programs — Event Handling csharp coding-practice	—	30	Medium	Solve
4054	BST — inorder traversal sum #13	DSA — Trees dsa coding-practice	—	30	Medium	Solve
4055	CREATE INDEX #13	SQL — Indexes & performance sql coding-practice	—	40	Hard	Solve
4056	Map squares #13	JavaScript — Async / Promises javascript coding-practice	—	40	Hard	Solve
4057	Map squares #13	Node.js — Events nodejs coding-practice	—	40	Hard	Solve
4058	Map squares #13	React — Forms react coding-practice	—	40	Hard	Solve
4059	MySQL index on salary #13	MySQL — Indexes & EXPLAIN mysql coding-practice	—	40	Hard	Solve
4060	PostgreSQL SERIAL and REFERENCES #13	PostgreSQL — DDL & constraints postgresql coding-practice	—	40	Hard	Solve
4061	T-SQL PARTITION BY dept #13	SQL Server — Window functions sqlserver coding-practice	—	40	Hard	Solve
4062	events exercise #13	C# Programs — Event Handling csharp coding-practice	—	40	Hard	Solve
4063	BST — inorder traversal sum #14	DSA — Trees dsa coding-practice	—	30	Medium	Solve
4064	CREATE INDEX #14	SQL — Indexes & performance sql coding-practice	—	30	Medium	Solve
4065	Max in set #14	JavaScript — Async / Promises javascript coding-practice	—	30	Medium	Solve
4066	Max in set #14	Node.js — Events nodejs coding-practice	—	30	Medium	Solve
4067	Max in set #14	React — Forms react coding-practice	—	30	Medium	Solve
4068	MySQL index on salary #14	MySQL — Indexes & EXPLAIN mysql coding-practice	—	30	Medium	Solve
4069	PostgreSQL SERIAL and REFERENCES #14	PostgreSQL — DDL & constraints postgresql coding-practice	—	30	Medium	Solve
4070	T-SQL PARTITION BY dept #14	SQL Server — Window functions sqlserver coding-practice	—	30	Medium	Solve
4071	events exercise #14	C# Programs — Event Handling csharp coding-practice	—	30	Medium	Solve
4072	BST — inorder traversal sum #15	DSA — Trees dsa coding-practice	—	30	Medium	Solve
4073	CREATE INDEX #15	SQL — Indexes & performance sql coding-practice	—	30	Medium	Solve
4074	MySQL index on salary #15	MySQL — Indexes & EXPLAIN mysql coding-practice	—	30	Medium	Solve
4075	PostgreSQL SERIAL and REFERENCES #15	PostgreSQL — DDL & constraints postgresql coding-practice	—	30	Medium	Solve
4076	Reduce product #15	JavaScript — Async / Promises javascript coding-practice	—	20	Easy	Solve
4077	Reduce product #15	Node.js — Events nodejs coding-practice	—	20	Easy	Solve
4078	Reduce product #15	React — Forms react coding-practice	—	20	Easy	Solve
4079	T-SQL PARTITION BY dept #15	SQL Server — Window functions sqlserver coding-practice	—	20	Easy	Solve
4080	events exercise #15	C# Programs — Event Handling csharp coding-practice	—	30	Medium	Solve
4081	BST — inorder traversal sum #16	DSA — Trees dsa coding-practice	—	30	Medium	Solve
4082	CREATE INDEX #16	SQL — Indexes & performance sql coding-practice	—	40	Hard	Solve
4083	MySQL index on salary #16	MySQL — Indexes & EXPLAIN mysql coding-practice	—	40	Hard	Solve
4084	PostgreSQL SERIAL and REFERENCES #16	PostgreSQL — DDL & constraints postgresql coding-practice	—	40	Hard	Solve
4085	Sum 1..5 #16	JavaScript — Async / Promises javascript coding-practice	—	30	Medium	Solve
4086	Sum 1..5 #16	Node.js — Events nodejs coding-practice	—	30	Medium	Solve
4087	Sum 1..5 #16	React — Forms react coding-practice	—	30	Medium	Solve
4088	T-SQL PARTITION BY dept #16	SQL Server — Window functions sqlserver coding-practice	—	30	Medium	Solve
4089	events exercise #16	C# Programs — Event Handling csharp coding-practice	—	40	Hard	Solve
4090	BST — inorder traversal sum #17	DSA — Trees dsa coding-practice	—	30	Medium	Solve
4091	CREATE INDEX #17	SQL — Indexes & performance sql coding-practice	—	30	Medium	Solve
4092	Filter evens #17	JavaScript — Async / Promises javascript coding-practice	—	40	Hard	Solve
4093	Filter evens #17	Node.js — Events nodejs coding-practice	—	40	Hard	Solve
4094	Filter evens #17	React — Forms react coding-practice	—	40	Hard	Solve
4095	MySQL index on salary #17	MySQL — Indexes & EXPLAIN mysql coding-practice	—	30	Medium	Solve
4096	PostgreSQL SERIAL and REFERENCES #17	PostgreSQL — DDL & constraints postgresql coding-practice	—	30	Medium	Solve
4097	T-SQL PARTITION BY dept #17	SQL Server — Window functions sqlserver coding-practice	—	40	Hard	Solve
4098	events exercise #17	C# Programs — Event Handling csharp coding-practice	—	30	Medium	Solve
4099	BST — inorder traversal sum #18	DSA — Trees dsa coding-practice	—	30	Medium	Solve
4100	CREATE INDEX #18	SQL — Indexes & performance sql coding-practice	—	30	Medium	Solve

Problem of the day

Min Stack

Medium · +15 pts

Solve today

Weekly leaderboard

View all

1 Pratik Chopade 1 solved

Company sheets

Toolliyo unique — practice by hiring company.

Google Amazon Microsoft Meta Apple Netflix TikTok LinkedIn Nvidia Uber

Browse all companies

Interview path

DSA Interview 150 All roadmaps 3,700+ Interview Q&A

Problems explorer