DSA & Coding Problems Explorer

All C# Programs — Data Structures 167 DSA — Dynamic Programming 105 DSA — Binary Search 105 DSA — Strings 105 DSA — Arrays 105 DSA — Stacks & Queues 105 DSA — Trees 105 DSA — Two Pointers 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

8773 problems

#	Title	Topics	Acceptance	Pts	Difficulty
4651	First duplicate in array #29	DSA — Hashing dsa coding-practice	—	20	Easy	Solve
4652	Max in set #29	JavaScript — Functions javascript coding-practice	—	40	Hard	Solve
4653	Max in set #29	React — Hooks react coding-practice	—	40	Hard	Solve
4654	Max in set #29	Node.js — HTTP nodejs coding-practice	—	40	Hard	Solve
4655	MongoDB indexing #29	MongoDB — Indexing mongodb coding-practice	—	30	Medium	Solve
4656	MySQL AVG salary by dept #29	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
4657	PostgreSQL GROUP BY HAVING #29	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
4658	T-SQL AVG salary by department #29	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	40	Hard	Solve
4659	math exercise #29	C# Programs — Mathematical Functions csharp coding-practice	—	30	Medium	Solve
4660	Avg by category #30	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
4661	First duplicate in array #30	DSA — Hashing dsa coding-practice	—	20	Easy	Solve
4662	MongoDB indexing #30	MongoDB — Indexing mongodb coding-practice	—	30	Medium	Solve
4663	MySQL AVG salary by dept #30	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
4664	PostgreSQL GROUP BY HAVING #30	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
4665	Reduce product #30	JavaScript — Functions javascript coding-practice	—	30	Medium	Solve
4666	Reduce product #30	React — Hooks react coding-practice	—	30	Medium	Solve
4667	Reduce product #30	Node.js — HTTP nodejs coding-practice	—	30	Medium	Solve
4668	T-SQL AVG salary by department #30	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
4669	math exercise #30	C# Programs — Mathematical Functions csharp coding-practice	—	30	Medium	Solve
4670	Avg by category #31	SQL — Aggregates & GROUP BY sql coding-practice	—	40	Hard	Solve
4671	First duplicate in array #31	DSA — Hashing dsa coding-practice	—	20	Easy	Solve
4672	MongoDB indexing #31	MongoDB — Indexing mongodb coding-practice	—	30	Medium	Solve
4673	MySQL AVG salary by dept #31	MySQL — Aggregates & GROUP BY mysql coding-practice	—	40	Hard	Solve
4674	PostgreSQL GROUP BY HAVING #31	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	40	Hard	Solve
4675	Sum 1..5 #31	React — Hooks react coding-practice	—	20	Easy	Solve
4676	Sum 1..5 #31	Node.js — HTTP nodejs coding-practice	—	20	Easy	Solve
4677	Sum 1..5 #31	JavaScript — Functions javascript coding-practice	—	20	Easy	Solve
4678	T-SQL AVG salary by department #31	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	20	Easy	Solve
4679	math exercise #31	C# Programs — Mathematical Functions csharp coding-practice	—	40	Hard	Solve
4680	Avg by category #32	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
4681	Filter evens #32	Node.js — HTTP nodejs coding-practice	—	30	Medium	Solve
4682	Filter evens #32	JavaScript — Functions javascript coding-practice	—	30	Medium	Solve
4683	Filter evens #32	React — Hooks react coding-practice	—	30	Medium	Solve
4684	First duplicate in array #32	DSA — Hashing dsa coding-practice	—	20	Easy	Solve
4685	MongoDB indexing #32	MongoDB — Indexing mongodb coding-practice	—	30	Medium	Solve
4686	MySQL AVG salary by dept #32	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
4687	PostgreSQL GROUP BY HAVING #32	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
4688	T-SQL AVG salary by department #32	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
4689	math exercise #32	C# Programs — Mathematical Functions csharp coding-practice	—	30	Medium	Solve
4690	Avg by category #33	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
4691	First duplicate in array #33	DSA — Hashing dsa coding-practice	—	20	Easy	Solve
4692	Map squares #33	Node.js — HTTP nodejs coding-practice	—	40	Hard	Solve
4693	Map squares #33	JavaScript — Functions javascript coding-practice	—	40	Hard	Solve
4694	Map squares #33	React — Hooks react coding-practice	—	40	Hard	Solve
4695	MongoDB indexing #33	MongoDB — Indexing mongodb coding-practice	—	30	Medium	Solve
4696	MySQL AVG salary by dept #33	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
4697	PostgreSQL GROUP BY HAVING #33	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
4698	T-SQL AVG salary by department #33	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	40	Hard	Solve
4699	math exercise #33	C# Programs — Mathematical Functions csharp coding-practice	—	30	Medium	Solve
4700	Avg by category #34	SQL — Aggregates & GROUP BY sql coding-practice	—	40	Hard	Solve

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