DSA & Coding Problems Explorer

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

8773 problems

#	Title	Topics	Acceptance	Pts	Difficulty
4751	First duplicate in array #39	DSA — Hashing dsa coding-practice	—	20	Easy	Solve
4752	Max in set #39	Node.js — HTTP nodejs coding-practice	—	20	Easy	Solve
4753	Max in set #39	JavaScript — Functions javascript coding-practice	—	20	Easy	Solve
4754	Max in set #39	React — Hooks react coding-practice	—	20	Easy	Solve
4755	MongoDB indexing #39	MongoDB — Indexing mongodb coding-practice	—	30	Medium	Solve
4756	MySQL AVG salary by dept #39	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
4757	PostgreSQL GROUP BY HAVING #39	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
4758	T-SQL AVG salary by department #39	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	20	Easy	Solve
4759	math exercise #39	C# Programs — Mathematical Functions csharp coding-practice	—	30	Medium	Solve
4760	Avg by category #40	SQL — Aggregates & GROUP BY sql coding-practice	—	40	Hard	Solve
4761	First duplicate in array #40	DSA — Hashing dsa coding-practice	—	20	Easy	Solve
4762	MongoDB indexing #40	MongoDB — Indexing mongodb coding-practice	—	30	Medium	Solve
4763	MySQL AVG salary by dept #40	MySQL — Aggregates & GROUP BY mysql coding-practice	—	40	Hard	Solve
4764	PostgreSQL GROUP BY HAVING #40	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	40	Hard	Solve
4765	Reduce product #40	React — Hooks react coding-practice	—	30	Medium	Solve
4766	Reduce product #40	JavaScript — Functions javascript coding-practice	—	30	Medium	Solve
4767	Reduce product #40	Node.js — HTTP nodejs coding-practice	—	30	Medium	Solve
4768	T-SQL AVG salary by department #40	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
4769	math exercise #40	C# Programs — Mathematical Functions csharp coding-practice	—	40	Hard	Solve
4770	Avg by category #41	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
4771	First duplicate in array #41	DSA — Hashing dsa coding-practice	—	20	Easy	Solve
4772	MongoDB indexing #41	MongoDB — Indexing mongodb coding-practice	—	30	Medium	Solve
4773	MySQL AVG salary by dept #41	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
4774	PostgreSQL GROUP BY HAVING #41	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
4775	Sum 1..15 #41	React — Hooks react coding-practice	—	40	Hard	Solve
4776	Sum 1..15 #41	Node.js — HTTP nodejs coding-practice	—	40	Hard	Solve
4777	Sum 1..15 #41	JavaScript — Functions javascript coding-practice	—	40	Hard	Solve
4778	T-SQL AVG salary by department #41	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	40	Hard	Solve
4779	math exercise #41	C# Programs — Mathematical Functions csharp coding-practice	—	30	Medium	Solve
4780	Avg by category #42	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
4781	Filter evens #42	JavaScript — Functions javascript coding-practice	—	30	Medium	Solve
4782	Filter evens #42	React — Hooks react coding-practice	—	30	Medium	Solve
4783	Filter evens #42	Node.js — HTTP nodejs coding-practice	—	30	Medium	Solve
4784	First duplicate in array #42	DSA — Hashing dsa coding-practice	—	20	Easy	Solve
4785	MongoDB indexing #42	MongoDB — Indexing mongodb coding-practice	—	30	Medium	Solve
4786	MySQL AVG salary by dept #42	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
4787	PostgreSQL GROUP BY HAVING #42	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
4788	T-SQL AVG salary by department #42	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
4789	math exercise #42	C# Programs — Mathematical Functions csharp coding-practice	—	30	Medium	Solve
4790	Avg by category #43	SQL — Aggregates & GROUP BY sql coding-practice	—	40	Hard	Solve
4791	First duplicate in array #43	DSA — Hashing dsa coding-practice	—	20	Easy	Solve
4792	Map squares #43	React — Hooks react coding-practice	—	20	Easy	Solve
4793	Map squares #43	Node.js — HTTP nodejs coding-practice	—	20	Easy	Solve
4794	Map squares #43	JavaScript — Functions javascript coding-practice	—	20	Easy	Solve
4795	MongoDB indexing #43	MongoDB — Indexing mongodb coding-practice	—	30	Medium	Solve
4796	MySQL AVG salary by dept #43	MySQL — Aggregates & GROUP BY mysql coding-practice	—	40	Hard	Solve
4797	PostgreSQL GROUP BY HAVING #43	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	40	Hard	Solve
4798	T-SQL AVG salary by department #43	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	20	Easy	Solve
4799	math exercise #43	C# Programs — Mathematical Functions csharp coding-practice	—	40	Hard	Solve
4800	Avg by category #44	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve

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