DSA & Coding Problems Explorer

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

8773 problems

#	Title	Topics	Acceptance	Pts	Difficulty
2951	T-SQL SELECT TOP 4 by salary #52	SQL Server — SELECT basics sqlserver coding-practice	—	30	Medium	Solve
2952	Check if 5 is prime	Basic C# Programs csharp coding-practice	—	30	Medium	Solve
2953	Product of array except self #53	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
2954	T-SQL SELECT TOP 5 by salary #53	SQL Server — SELECT basics sqlserver coding-practice	—	40	Hard	Solve
2955	First 10 Fibonacci numbers	Basic C# Programs csharp coding-practice	—	30	Medium	Solve
2956	Product of array except self #54	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
2957	T-SQL SELECT TOP 6 by salary #54	SQL Server — SELECT basics sqlserver coding-practice	—	30	Medium	Solve
2958	Count evens from 1 to 19	Basic C# Programs csharp coding-practice	—	20	Easy	Solve
2959	Product of array except self #55	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
2960	T-SQL SELECT TOP 7 by salary #55	SQL Server — SELECT basics sqlserver coding-practice	—	20	Easy	Solve
2961	GCD of 20 and 27	Basic C# Programs csharp coding-practice	—	30	Medium	Solve
2962	Product of array except self #56	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
2963	T-SQL SELECT TOP 3 by salary #56	SQL Server — SELECT basics sqlserver coding-practice	—	30	Medium	Solve
2964	Print numbers 1 to 21	Basic C# Programs csharp coding-practice	—	20	Easy	Solve
2965	Product of array except self #57	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
2966	T-SQL SELECT TOP 4 by salary #57	SQL Server — SELECT basics sqlserver coding-practice	—	40	Hard	Solve
2967	Product of array except self #58	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
2968	Sum of first 22 natural numbers	Basic C# Programs csharp coding-practice	—	20	Easy	Solve
2969	T-SQL SELECT TOP 5 by salary #58	SQL Server — SELECT basics sqlserver coding-practice	—	30	Medium	Solve
2970	Factorial of 23	Basic C# Programs csharp coding-practice	—	30	Medium	Solve
2971	Product of array except self #59	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
2972	T-SQL SELECT TOP 6 by salary #59	SQL Server — SELECT basics sqlserver coding-practice	—	20	Easy	Solve
2973	Check if 29 is prime	Basic C# Programs csharp coding-practice	—	30	Medium	Solve
2974	Product of array except self #60	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
2975	T-SQL SELECT TOP 7 by salary #60	SQL Server — SELECT basics sqlserver coding-practice	—	30	Medium	Solve
2976	T-SQL SELECT TOP 3 by salary #61	SQL Server — SELECT basics sqlserver coding-practice	—	40	Hard	Solve
2977	Two Sum — indices for target 8 #61	DSA — Arrays dsa coding-practice	—	20	Easy	Solve
2978	Count evens from 1 to 6	Basic C# Programs csharp coding-practice	—	20	Easy	Solve
2979	Maximum subarray sum (Kadane) #62	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
2980	T-SQL SELECT TOP 4 by salary #62	SQL Server — SELECT basics sqlserver coding-practice	—	30	Medium	Solve
2981	GCD of 7 and 14	Basic C# Programs csharp coding-practice	—	30	Medium	Solve
2982	Rotate array right by 7 #63	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
2983	T-SQL SELECT TOP 5 by salary #63	SQL Server — SELECT basics sqlserver coding-practice	—	20	Easy	Solve
2984	Print numbers 1 to 8	Basic C# Programs csharp coding-practice	—	20	Easy	Solve
2985	Product of array except self #64	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
2986	T-SQL SELECT TOP 6 by salary #64	SQL Server — SELECT basics sqlserver coding-practice	—	30	Medium	Solve
2987	Product of array except self #65	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
2988	Sum of first 9 natural numbers	Basic C# Programs csharp coding-practice	—	20	Easy	Solve
2989	T-SQL SELECT TOP 7 by salary #65	SQL Server — SELECT basics sqlserver coding-practice	—	40	Hard	Solve
2990	Factorial of 10	Basic C# Programs csharp coding-practice	—	30	Medium	Solve
2991	Product of array except self #66	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
2992	T-SQL SELECT TOP 3 by salary #66	SQL Server — SELECT basics sqlserver coding-practice	—	30	Medium	Solve
2993	Check if 17 is prime	Basic C# Programs csharp coding-practice	—	30	Medium	Solve
2994	Product of array except self #67	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
2995	T-SQL SELECT TOP 4 by salary #67	SQL Server — SELECT basics sqlserver coding-practice	—	20	Easy	Solve
2996	Product of array except self #68	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
2997	T-SQL SELECT TOP 5 by salary #68	SQL Server — SELECT basics sqlserver coding-practice	—	30	Medium	Solve
2998	Count evens from 1 to 13	Basic C# Programs csharp coding-practice	—	20	Easy	Solve
2999	Product of array except self #69	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
3000	T-SQL SELECT TOP 6 by salary #69	SQL Server — SELECT basics sqlserver coding-practice	—	40	Hard	Solve

Problem of the day

Graph Valid Tree

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