coding-practice Coding Problems

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

6523 problems in this topic

#	Title	Topics	Acceptance	Pts	Difficulty
51	Second largest element	DSA — Strings dsa coding-practice	—	30	Medium	Solve
52	Average salary by department	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
53	Functional component greeting	React — State react coding-practice	—	20	Easy	Solve
54	Inner join employees and departments	SQL — JOINs sql coding-practice	—	30	Medium	Solve
55	MySQL INNER JOIN employees and departments	SQL Server — JOINs sqlserver coding-practice	—	30	Medium	Solve
56	MySQL INNER JOIN employees and departments	MySQL — JOINs mysql coding-practice	—	30	Medium	Solve
57	PostgreSQL SELECT with ILIKE	PostgreSQL — JOINs postgresql coding-practice	—	20	Easy	Solve
58	Print matrix rows	C# Programs — Matrix csharp coding-practice	—	20	Easy	Solve
59	Read environment variable with default	Node.js — File System nodejs coding-practice	—	20	Easy	Solve
60	Reverse a string	JavaScript — Strings javascript coding-practice	—	20	Easy	Solve
61	Sum of array elements	DSA — Two Pointers dsa coding-practice	—	20	Easy	Solve
62	Check palindrome	JavaScript — Strings javascript coding-practice	—	20	Easy	Solve
63	Find maximum in array	DSA — Two Pointers dsa coding-practice	—	20	Easy	Solve
64	Left join to include all employees	SQL — JOINs sql coding-practice	—	30	Medium	Solve
65	Matrix transpose	C# Programs — Matrix csharp coding-practice	—	30	Medium	Solve
66	Render list of items	React — State react coding-practice	—	20	Easy	Solve
67	Reverse an array in-place	DSA — Two Pointers dsa coding-practice	—	30	Medium	Solve
68	Sum of diagonal elements	C# Programs — Matrix csharp coding-practice	—	20	Easy	Solve
69	Title case a sentence	JavaScript — Strings javascript coding-practice	—	30	Medium	Solve
70	Count occurrences of element	DSA — Two Pointers dsa coding-practice	—	20	Easy	Solve
71	Count word frequency	JavaScript — Strings javascript coding-practice	—	30	Medium	Solve
72	Search element in matrix	C# Programs — Matrix csharp coding-practice	—	30	Medium	Solve
73	Second largest element	DSA — Two Pointers dsa coding-practice	—	30	Medium	Solve
74	Valid parentheses	JavaScript — Strings javascript coding-practice	—	40	Hard	Solve
75	Average salary by department	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
76	Find employees in Engineering	MongoDB — Indexing mongodb coding-practice	—	20	Easy	Solve
77	MySQL SELECT with LIMIT	MySQL — Aggregates & GROUP BY mysql coding-practice	—	20	Easy	Solve
78	MySQL SELECT with LIMIT	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	20	Easy	Solve
79	PostgreSQL SELECT with ILIKE	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	20	Easy	Solve
80	Reverse a string	JavaScript — Functions javascript coding-practice	—	20	Easy	Solve
81	Simple HTTP response handler	Node.js — HTTP nodejs coding-practice	—	30	Medium	Solve
82	Sum of array elements	C# Programs — Mathematical Functions csharp coding-practice	—	20	Easy	Solve
83	Sum of array elements	DSA — Hashing dsa coding-practice	—	20	Easy	Solve
84	useState counter logic	React — Hooks react coding-practice	—	20	Easy	Solve
85	Check palindrome	JavaScript — Functions javascript coding-practice	—	20	Easy	Solve
86	Departments with total salary > 100000	SQL — Aggregates & GROUP BY sql coding-practice	—	40	Hard	Solve
87	Find maximum in array	C# Programs — Mathematical Functions csharp coding-practice	—	20	Easy	Solve
88	Find maximum in array	DSA — Hashing dsa coding-practice	—	20	Easy	Solve
89	Find with projection	MongoDB — Indexing mongodb coding-practice	—	20	Easy	Solve
90	useEffect fetch pattern (pseudo)	React — Hooks react coding-practice	—	30	Medium	Solve
91	Reverse an array in-place	C# Programs — Mathematical Functions csharp coding-practice	—	30	Medium	Solve
92	Reverse an array in-place	DSA — Hashing dsa coding-practice	—	30	Medium	Solve
93	Title case a sentence	JavaScript — Functions javascript coding-practice	—	30	Medium	Solve
94	Count occurrences of element	C# Programs — Mathematical Functions csharp coding-practice	—	20	Easy	Solve
95	Count occurrences of element	DSA — Hashing dsa coding-practice	—	20	Easy	Solve
96	Second largest element	DSA — Hashing dsa coding-practice	—	30	Medium	Solve
97	Filter even numbers	JavaScript — Objects javascript coding-practice	—	20	Easy	Solve
98	Find employees in Engineering	MongoDB — Embedding vs referencing mongodb coding-practice	—	20	Easy	Solve
99	Functional component greeting	React — useEffect react coding-practice	—	20	Easy	Solve
100	MySQL SELECT with LIMIT	MySQL — Subqueries mysql coding-practice	—	20	Easy	Solve

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