DSA & Coding Problems Explorer

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 — Indexes & plans 101 SQL Server — CTEs 101 SQL Server — Subqueries 101 SQL Server — DDL & constraints 101 SQL Server — T-SQL procedures 101

8773 problems

#	Title	Topics	Acceptance	Pts	Difficulty
3551	MySQL WHERE salary > 300000 #45	MySQL — WHERE & filtering mysql coding-practice	—	30	Medium	Solve
3552	PostgreSQL ILIKE search #45	PostgreSQL — WHERE & filtering postgresql coding-practice	—	30	Medium	Solve
3553	Reduce product #45	React — Props react coding-practice	—	40	Hard	Solve
3554	Reduce product #45	JavaScript — Arrays javascript coding-practice	—	40	Hard	Solve
3555	Reduce product #45	Node.js — Modules nodejs coding-practice	—	40	Hard	Solve
3556	T-SQL WHERE salary > 180000 #45	SQL Server — WHERE & filtering sqlserver coding-practice	—	40	Hard	Solve
3557	Array sum (10 elements) #46	C# Programs — Arrays csharp coding-practice	—	20	Easy	Solve
3558	Filter category X #46	SQL — WHERE & filtering sql coding-practice	—	40	Hard	Solve
3559	MongoDB updates #46	MongoDB — Updates mongodb coding-practice	—	30	Medium	Solve
3560	MySQL WHERE salary > 305000 #46	MySQL — WHERE & filtering mysql coding-practice	—	40	Hard	Solve
3561	PostgreSQL ILIKE search #46	PostgreSQL — WHERE & filtering postgresql coding-practice	—	40	Hard	Solve
3562	Sum 1..5 #46	React — Props react coding-practice	—	30	Medium	Solve
3563	Sum 1..5 #46	JavaScript — Arrays javascript coding-practice	—	30	Medium	Solve
3564	Sum 1..5 #46	Node.js — Modules nodejs coding-practice	—	30	Medium	Solve
3565	T-SQL WHERE salary > 182500 #46	SQL Server — WHERE & filtering sqlserver coding-practice	—	30	Medium	Solve
3566	Valid palindrome "neetcode" #46	DSA — Strings dsa coding-practice	—	20	Easy	Solve
3567	Array max (11 elements) #47	C# Programs — Arrays csharp coding-practice	—	20	Easy	Solve
3568	Filter category X #47	SQL — WHERE & filtering sql coding-practice	—	30	Medium	Solve
3569	Filter evens #47	Node.js — Modules nodejs coding-practice	—	20	Easy	Solve
3570	Filter evens #47	JavaScript — Arrays javascript coding-practice	—	20	Easy	Solve
3571	Filter evens #47	React — Props react coding-practice	—	20	Easy	Solve
3572	Longest substring without repeat #47	DSA — Strings dsa coding-practice	—	30	Medium	Solve
3573	MongoDB updates #47	MongoDB — Updates mongodb coding-practice	—	30	Medium	Solve
3574	MySQL WHERE salary > 310000 #47	MySQL — WHERE & filtering mysql coding-practice	—	30	Medium	Solve
3575	PostgreSQL ILIKE search #47	PostgreSQL — WHERE & filtering postgresql coding-practice	—	30	Medium	Solve
3576	T-SQL WHERE salary > 185000 #47	SQL Server — WHERE & filtering sqlserver coding-practice	—	20	Easy	Solve
3577	Anagram check #48	DSA — Strings dsa coding-practice	—	20	Easy	Solve
3578	Filter category X #48	SQL — WHERE & filtering sql coding-practice	—	30	Medium	Solve
3579	Map squares #48	Node.js — Modules nodejs coding-practice	—	30	Medium	Solve
3580	Map squares #48	React — Props react coding-practice	—	30	Medium	Solve
3581	Map squares #48	JavaScript — Arrays javascript coding-practice	—	30	Medium	Solve
3582	MongoDB updates #48	MongoDB — Updates mongodb coding-practice	—	30	Medium	Solve
3583	MySQL WHERE salary > 315000 #48	MySQL — WHERE & filtering mysql coding-practice	—	30	Medium	Solve
3584	PostgreSQL ILIKE search #48	PostgreSQL — WHERE & filtering postgresql coding-practice	—	30	Medium	Solve
3585	Reverse array #48	C# Programs — Arrays csharp coding-practice	—	30	Medium	Solve
3586	T-SQL WHERE salary > 187500 #48	SQL Server — WHERE & filtering sqlserver coding-practice	—	30	Medium	Solve
3587	Filter category X #49	SQL — WHERE & filtering sql coding-practice	—	40	Hard	Solve
3588	Linear search 10 #49	C# Programs — Arrays csharp coding-practice	—	20	Easy	Solve
3589	Max in set #49	React — Props react coding-practice	—	40	Hard	Solve
3590	Max in set #49	JavaScript — Arrays javascript coding-practice	—	40	Hard	Solve
3591	Max in set #49	Node.js — Modules nodejs coding-practice	—	40	Hard	Solve
3592	MongoDB updates #49	MongoDB — Updates mongodb coding-practice	—	30	Medium	Solve
3593	MySQL WHERE salary > 320000 #49	MySQL — WHERE & filtering mysql coding-practice	—	40	Hard	Solve
3594	PostgreSQL ILIKE search #49	PostgreSQL — WHERE & filtering postgresql coding-practice	—	40	Hard	Solve
3595	T-SQL WHERE salary > 190000 #49	SQL Server — WHERE & filtering sqlserver coding-practice	—	40	Hard	Solve
3596	Valid palindrome "leetcode" #49	DSA — Strings dsa coding-practice	—	20	Easy	Solve
3597	Average array #50	C# Programs — Arrays csharp coding-practice	—	20	Easy	Solve
3598	Filter category X #50	SQL — WHERE & filtering sql coding-practice	—	30	Medium	Solve
3599	Longest substring without repeat #50	DSA — Strings dsa coding-practice	—	30	Medium	Solve
3600	MongoDB updates #50	MongoDB — Updates mongodb 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