bulk-generated Coding Problems

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

6307 problems in this topic

#	Title	Topics	Acceptance	Pts	Difficulty
2901	MongoDB relationships #39	MongoDB — Embedding vs referencing mongodb coding-practice	—	30	Medium	Solve
2902	MySQL subquery above avg #39	MySQL — Subqueries mysql coding-practice	—	30	Medium	Solve
2903	PostgreSQL CTE top earners #39	PostgreSQL — Subqueries & CTEs postgresql coding-practice	—	30	Medium	Solve
2904	T-SQL subquery above average #39	SQL Server — Subqueries sqlserver coding-practice	—	20	Easy	Solve
2905	Uppercase "interview" #39	C# Programs — Strings csharp coding-practice	—	20	Easy	Solve
2906	Valid parentheses depth #39	DSA — Stacks & Queues dsa coding-practice	—	20	Easy	Solve
2907	Above average #40	SQL — Subqueries sql coding-practice	—	40	Hard	Solve
2908	MongoDB relationships #40	MongoDB — Embedding vs referencing mongodb coding-practice	—	30	Medium	Solve
2909	MySQL subquery above avg #40	MySQL — Subqueries mysql coding-practice	—	40	Hard	Solve
2910	PostgreSQL CTE top earners #40	PostgreSQL — Subqueries & CTEs postgresql coding-practice	—	40	Hard	Solve
2911	Queue — simulate task scheduler #40	DSA — Stacks & Queues dsa coding-practice	—	30	Medium	Solve
2912	Reduce product #40	React — useEffect react coding-practice	—	30	Medium	Solve
2913	Reduce product #40	JavaScript — Objects javascript coding-practice	—	30	Medium	Solve
2914	Reduce product #40	Node.js — Express patterns nodejs coding-practice	—	30	Medium	Solve
2915	String length manual "csharp" #40	C# Programs — Strings csharp coding-practice	—	20	Easy	Solve
2916	T-SQL subquery above average #40	SQL Server — Subqueries sqlserver coding-practice	—	30	Medium	Solve
2917	Above average #41	SQL — Subqueries sql coding-practice	—	30	Medium	Solve
2918	MongoDB relationships #41	MongoDB — Embedding vs referencing mongodb coding-practice	—	30	Medium	Solve
2919	MySQL subquery above avg #41	MySQL — Subqueries mysql coding-practice	—	30	Medium	Solve
2920	PostgreSQL CTE top earners #41	PostgreSQL — Subqueries & CTEs postgresql coding-practice	—	30	Medium	Solve
2921	Reverse "toolliyo" #41	C# Programs — Strings csharp coding-practice	—	20	Easy	Solve
2922	Sum 1..15 #41	JavaScript — Objects javascript coding-practice	—	40	Hard	Solve
2923	Sum 1..15 #41	Node.js — Express patterns nodejs coding-practice	—	40	Hard	Solve
2924	Sum 1..15 #41	React — useEffect react coding-practice	—	40	Hard	Solve
2925	T-SQL subquery above average #41	SQL Server — Subqueries sqlserver coding-practice	—	40	Hard	Solve
2926	Valid parentheses depth #41	DSA — Stacks & Queues dsa coding-practice	—	20	Easy	Solve
2927	Above average #42	SQL — Subqueries sql coding-practice	—	30	Medium	Solve
2928	Count vowels in "developer" #42	C# Programs — Strings csharp coding-practice	—	20	Easy	Solve
2929	Filter evens #42	Node.js — Express patterns nodejs coding-practice	—	30	Medium	Solve
2930	Filter evens #42	React — useEffect react coding-practice	—	30	Medium	Solve
2931	Filter evens #42	JavaScript — Objects javascript coding-practice	—	30	Medium	Solve
2932	MongoDB relationships #42	MongoDB — Embedding vs referencing mongodb coding-practice	—	30	Medium	Solve
2933	MySQL subquery above avg #42	MySQL — Subqueries mysql coding-practice	—	30	Medium	Solve
2934	PostgreSQL CTE top earners #42	PostgreSQL — Subqueries & CTEs postgresql coding-practice	—	30	Medium	Solve
2935	Queue — simulate task scheduler #42	DSA — Stacks & Queues dsa coding-practice	—	30	Medium	Solve
2936	T-SQL subquery above average #42	SQL Server — Subqueries sqlserver coding-practice	—	30	Medium	Solve
2937	Above average #43	SQL — Subqueries sql coding-practice	—	40	Hard	Solve
2938	Map squares #43	JavaScript — Objects javascript coding-practice	—	20	Easy	Solve
2939	Map squares #43	Node.js — Express patterns nodejs coding-practice	—	20	Easy	Solve
2940	Map squares #43	React — useEffect react coding-practice	—	20	Easy	Solve
2941	MongoDB relationships #43	MongoDB — Embedding vs referencing mongodb coding-practice	—	30	Medium	Solve
2942	MySQL subquery above avg #43	MySQL — Subqueries mysql coding-practice	—	40	Hard	Solve
2943	PostgreSQL CTE top earners #43	PostgreSQL — Subqueries & CTEs postgresql coding-practice	—	40	Hard	Solve
2944	T-SQL subquery above average #43	SQL Server — Subqueries sqlserver coding-practice	—	20	Easy	Solve
2945	Uppercase "code" #43	C# Programs — Strings csharp coding-practice	—	20	Easy	Solve
2946	Valid parentheses depth #43	DSA — Stacks & Queues dsa coding-practice	—	20	Easy	Solve
2947	Above average #44	SQL — Subqueries sql coding-practice	—	30	Medium	Solve
2948	Max in set #44	Node.js — Express patterns nodejs coding-practice	—	30	Medium	Solve
2949	Max in set #44	JavaScript — Objects javascript coding-practice	—	30	Medium	Solve
2950	Max in set #44	React — useEffect react 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