DSA & Coding Problems Explorer

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

8773 problems

#	Title	Topics	Acceptance	Pts	Difficulty
4401	First duplicate in array #4	DSA — Hashing dsa coding-practice	—	20	Easy	Solve
4402	Max in set #4	JavaScript — Functions javascript coding-practice	—	30	Medium	Solve
4403	Max in set #4	Node.js — HTTP nodejs coding-practice	—	30	Medium	Solve
4404	Max in set #4	React — Hooks react coding-practice	—	30	Medium	Solve
4405	MongoDB indexing #4	MongoDB — Indexing mongodb coding-practice	—	30	Medium	Solve
4406	MySQL AVG salary by dept #4	MySQL — Aggregates & GROUP BY mysql coding-practice	—	40	Hard	Solve
4407	PostgreSQL GROUP BY HAVING #4	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	40	Hard	Solve
4408	T-SQL AVG salary by department #4	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
4409	math exercise #4	C# Programs — Mathematical Functions csharp coding-practice	—	40	Hard	Solve
4410	Avg by category #5	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
4411	First duplicate in array #5	DSA — Hashing dsa coding-practice	—	20	Easy	Solve
4412	MongoDB indexing #5	MongoDB — Indexing mongodb coding-practice	—	30	Medium	Solve
4413	MySQL AVG salary by dept #5	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
4414	PostgreSQL GROUP BY HAVING #5	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
4415	Reduce product #5	JavaScript — Functions javascript coding-practice	—	40	Hard	Solve
4416	Reduce product #5	React — Hooks react coding-practice	—	40	Hard	Solve
4417	Reduce product #5	Node.js — HTTP nodejs coding-practice	—	40	Hard	Solve
4418	T-SQL AVG salary by department #5	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	40	Hard	Solve
4419	math exercise #5	C# Programs — Mathematical Functions csharp coding-practice	—	30	Medium	Solve
4420	Avg by category #6	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
4421	First duplicate in array #6	DSA — Hashing dsa coding-practice	—	20	Easy	Solve
4422	MongoDB indexing #6	MongoDB — Indexing mongodb coding-practice	—	30	Medium	Solve
4423	MySQL AVG salary by dept #6	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
4424	PostgreSQL GROUP BY HAVING #6	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
4425	Sum 1..10 #6	JavaScript — Functions javascript coding-practice	—	30	Medium	Solve
4426	Sum 1..10 #6	React — Hooks react coding-practice	—	30	Medium	Solve
4427	Sum 1..10 #6	Node.js — HTTP nodejs coding-practice	—	30	Medium	Solve
4428	T-SQL AVG salary by department #6	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
4429	math exercise #6	C# Programs — Mathematical Functions csharp coding-practice	—	30	Medium	Solve
4430	Avg by category #7	SQL — Aggregates & GROUP BY sql coding-practice	—	40	Hard	Solve
4431	Filter evens #7	JavaScript — Functions javascript coding-practice	—	20	Easy	Solve
4432	Filter evens #7	React — Hooks react coding-practice	—	20	Easy	Solve
4433	Filter evens #7	Node.js — HTTP nodejs coding-practice	—	20	Easy	Solve
4434	First duplicate in array #7	DSA — Hashing dsa coding-practice	—	20	Easy	Solve
4435	MongoDB indexing #7	MongoDB — Indexing mongodb coding-practice	—	30	Medium	Solve
4436	MySQL AVG salary by dept #7	MySQL — Aggregates & GROUP BY mysql coding-practice	—	40	Hard	Solve
4437	PostgreSQL GROUP BY HAVING #7	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	40	Hard	Solve
4438	T-SQL AVG salary by department #7	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	20	Easy	Solve
4439	math exercise #7	C# Programs — Mathematical Functions csharp coding-practice	—	40	Hard	Solve
4440	Avg by category #8	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
4441	First duplicate in array #8	DSA — Hashing dsa coding-practice	—	20	Easy	Solve
4442	Map squares #8	JavaScript — Functions javascript coding-practice	—	30	Medium	Solve
4443	Map squares #8	React — Hooks react coding-practice	—	30	Medium	Solve
4444	Map squares #8	Node.js — HTTP nodejs coding-practice	—	30	Medium	Solve
4445	MongoDB indexing #8	MongoDB — Indexing mongodb coding-practice	—	30	Medium	Solve
4446	MySQL AVG salary by dept #8	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
4447	PostgreSQL GROUP BY HAVING #8	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
4448	T-SQL AVG salary by department #8	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
4449	math exercise #8	C# Programs — Mathematical Functions csharp coding-practice	—	30	Medium	Solve
4450	Avg by category #9	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve

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