csharp Coding Problems

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

1615 problems in this topic

#	Title	Topics	Acceptance	Pts	Difficulty
901	Dictionary — word count #38	C# Programs — Collections csharp coding-practice	—	30	Medium	Solve
902	HashSet — remove duplicates #39	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
903	Queue — FIFO demo #40	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
904	Stack — LIFO demo #41	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
905	SortedDictionary — ordered keys #42	C# Programs — Collections csharp coding-practice	—	30	Medium	Solve
906	List — add and sum #43	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
907	Dictionary — word count #44	C# Programs — Collections csharp coding-practice	—	30	Medium	Solve
908	HashSet — remove duplicates #45	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
909	Queue — FIFO demo #46	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
910	Stack — LIFO demo #47	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
911	SortedDictionary — ordered keys #48	C# Programs — Collections csharp coding-practice	—	30	Medium	Solve
912	List — add and sum #49	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
913	Dictionary — word count #50	C# Programs — Collections csharp coding-practice	—	30	Medium	Solve
914	HashSet — remove duplicates #51	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
915	Queue — FIFO demo #52	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
916	Stack — LIFO demo #53	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
917	SortedDictionary — ordered keys #54	C# Programs — Collections csharp coding-practice	—	30	Medium	Solve
918	List — add and sum #55	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
919	Dictionary — word count #56	C# Programs — Collections csharp coding-practice	—	30	Medium	Solve
920	HashSet — remove duplicates #57	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
921	Queue — FIFO demo #58	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
922	Stack — LIFO demo #59	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
923	SortedDictionary — ordered keys #60	C# Programs — Collections csharp coding-practice	—	30	Medium	Solve
924	List — add and sum #61	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
925	Dictionary — word count #62	C# Programs — Collections csharp coding-practice	—	30	Medium	Solve
926	HashSet — remove duplicates #63	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
927	Queue — FIFO demo #64	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
928	Stack — LIFO demo #65	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
929	SortedDictionary — ordered keys #66	C# Programs — Collections csharp coding-practice	—	30	Medium	Solve
930	List — add and sum #67	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
931	Dictionary — word count #68	C# Programs — Collections csharp coding-practice	—	30	Medium	Solve
932	HashSet — remove duplicates #69	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
933	Queue — FIFO demo #70	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
934	Stack — LIFO demo #71	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
935	SortedDictionary — ordered keys #72	C# Programs — Collections csharp coding-practice	—	30	Medium	Solve
936	List — add and sum #73	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
937	Dictionary — word count #74	C# Programs — Collections csharp coding-practice	—	30	Medium	Solve
938	HashSet — remove duplicates #75	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
939	Queue — FIFO demo #76	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
940	Stack — LIFO demo #77	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
941	SortedDictionary — ordered keys #78	C# Programs — Collections csharp coding-practice	—	30	Medium	Solve
942	List — add and sum #79	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
943	Dictionary — word count #80	C# Programs — Collections csharp coding-practice	—	30	Medium	Solve
944	HashSet — remove duplicates #81	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
945	Queue — FIFO demo #82	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
946	Stack — LIFO demo #83	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
947	SortedDictionary — ordered keys #84	C# Programs — Collections csharp coding-practice	—	30	Medium	Solve
948	List — add and sum #85	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve
949	Dictionary — word count #86	C# Programs — Collections csharp coding-practice	—	30	Medium	Solve
950	HashSet — remove duplicates #87	C# Programs — Collections csharp coding-practice	—	20	Easy	Solve

Problem of the day

Minimum Interval to Include Each Query

Hard · +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