coding-practice Coding Problems

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

6523 problems in this topic

#	Title	Topics	Acceptance	Pts	Difficulty
451	Select price > 350 #26	SQL — SELECT basics sql coding-practice	—	30	Medium	Solve
452	Sum 1..15 #26	React — Components & JSX react coding-practice	—	30	Medium	Solve
453	Sum 1..15 #26	Basic Node.js Programs nodejs coding-practice	—	30	Medium	Solve
454	Sum 1..15 #26	Basic JavaScript Programs javascript coding-practice	—	30	Medium	Solve
455	T-SQL SELECT TOP 3 by salary #26	SQL Server — SELECT basics sqlserver coding-practice	—	30	Medium	Solve
456	Count evens from 1 to 11	Basic C# Programs csharp coding-practice	—	20	Easy	Solve
457	Filter evens #27	React — Components & JSX react coding-practice	—	20	Easy	Solve
458	Filter evens #27	Basic Node.js Programs nodejs coding-practice	—	20	Easy	Solve
459	Filter evens #27	Basic JavaScript Programs javascript coding-practice	—	20	Easy	Solve
460	MongoDB queries #27	MongoDB — Queries mongodb coding-practice	—	30	Medium	Solve
461	MySQL SELECT top earners #27	MySQL — SELECT basics mysql coding-practice	—	30	Medium	Solve
462	PostgreSQL SELECT with LIMIT #27	PostgreSQL — SELECT basics postgresql coding-practice	—	30	Medium	Solve
463	Rotate array right by 6 #27	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
464	Select price > 360 #27	SQL — SELECT basics sql coding-practice	—	30	Medium	Solve
465	T-SQL SELECT TOP 4 by salary #27	SQL Server — SELECT basics sqlserver coding-practice	—	20	Easy	Solve
466	GCD of 12 and 19	Basic C# Programs csharp coding-practice	—	30	Medium	Solve
467	Map squares #28	React — Components & JSX react coding-practice	—	30	Medium	Solve
468	Map squares #28	Basic Node.js Programs nodejs coding-practice	—	30	Medium	Solve
469	Map squares #28	Basic JavaScript Programs javascript coding-practice	—	30	Medium	Solve
470	MongoDB queries #28	MongoDB — Queries mongodb coding-practice	—	30	Medium	Solve
471	MySQL SELECT top earners #28	MySQL — SELECT basics mysql coding-practice	—	40	Hard	Solve
472	PostgreSQL SELECT with LIMIT #28	PostgreSQL — SELECT basics postgresql coding-practice	—	40	Hard	Solve
473	Product of array except self #28	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
474	Select price > 370 #28	SQL — SELECT basics sql coding-practice	—	40	Hard	Solve
475	T-SQL SELECT TOP 5 by salary #28	SQL Server — SELECT basics sqlserver coding-practice	—	30	Medium	Solve
476	Max in set #29	React — Components & JSX react coding-practice	—	40	Hard	Solve
477	Max in set #29	Basic Node.js Programs nodejs coding-practice	—	40	Hard	Solve
478	Max in set #29	Basic JavaScript Programs javascript coding-practice	—	40	Hard	Solve
479	MongoDB queries #29	MongoDB — Queries mongodb coding-practice	—	30	Medium	Solve
480	MySQL SELECT top earners #29	MySQL — SELECT basics mysql coding-practice	—	30	Medium	Solve
481	PostgreSQL SELECT with LIMIT #29	PostgreSQL — SELECT basics postgresql coding-practice	—	30	Medium	Solve
482	Print numbers 1 to 13	Basic C# Programs csharp coding-practice	—	20	Easy	Solve
483	Product of array except self #29	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
484	Select price > 380 #29	SQL — SELECT basics sql coding-practice	—	30	Medium	Solve
485	T-SQL SELECT TOP 6 by salary #29	SQL Server — SELECT basics sqlserver coding-practice	—	40	Hard	Solve
486	MongoDB queries #30	MongoDB — Queries mongodb coding-practice	—	30	Medium	Solve
487	MySQL SELECT top earners #30	MySQL — SELECT basics mysql coding-practice	—	30	Medium	Solve
488	PostgreSQL SELECT with LIMIT #30	PostgreSQL — SELECT basics postgresql coding-practice	—	30	Medium	Solve
489	Product of array except self #30	DSA — Arrays dsa coding-practice	—	30	Medium	Solve
490	Reduce product #30	React — Components & JSX react coding-practice	—	30	Medium	Solve
491	Reduce product #30	Basic Node.js Programs nodejs coding-practice	—	30	Medium	Solve
492	Reduce product #30	Basic JavaScript Programs javascript coding-practice	—	30	Medium	Solve
493	Select price > 390 #30	SQL — SELECT basics sql coding-practice	—	30	Medium	Solve
494	Sum of first 14 natural numbers	Basic C# Programs csharp coding-practice	—	20	Easy	Solve
495	T-SQL SELECT TOP 7 by salary #30	SQL Server — SELECT basics sqlserver coding-practice	—	30	Medium	Solve
496	Factorial of 15	Basic C# Programs csharp coding-practice	—	30	Medium	Solve
497	MongoDB queries #31	MongoDB — Queries mongodb coding-practice	—	30	Medium	Solve
498	MySQL SELECT top earners #31	MySQL — SELECT basics mysql coding-practice	—	40	Hard	Solve
499	PostgreSQL SELECT with LIMIT #31	PostgreSQL — SELECT basics postgresql coding-practice	—	40	Hard	Solve
500	Product of array except self #31	DSA — Arrays dsa coding-practice	—	30	Medium	Solve

Problem of the day

Graph Valid Tree

Medium · +15 pts

Solve today

Weekly leaderboard

View all

Be the first to climb the board this week.

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