coding-practice Coding Problems

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

6523 problems in this topic

#	Title	Topics	Acceptance	Pts	Difficulty
1451	T-SQL WHERE salary > 272500 #82	SQL Server — WHERE & filtering sqlserver coding-practice	—	30	Medium	Solve
1452	Valid palindrome "neetcode" #82	DSA — Strings dsa coding-practice	—	20	Easy	Solve
1453	Longest substring without repeat #83	DSA — Strings dsa coding-practice	—	30	Medium	Solve
1454	Reverse array #83	C# Programs — Arrays csharp coding-practice	—	30	Medium	Solve
1455	T-SQL WHERE salary > 275000 #83	SQL Server — WHERE & filtering sqlserver coding-practice	—	20	Easy	Solve
1456	Anagram check #84	DSA — Strings dsa coding-practice	—	20	Easy	Solve
1457	Linear search 4 #84	C# Programs — Arrays csharp coding-practice	—	20	Easy	Solve
1458	T-SQL WHERE salary > 277500 #84	SQL Server — WHERE & filtering sqlserver coding-practice	—	30	Medium	Solve
1459	Average array #85	C# Programs — Arrays csharp coding-practice	—	20	Easy	Solve
1460	T-SQL WHERE salary > 280000 #85	SQL Server — WHERE & filtering sqlserver coding-practice	—	40	Hard	Solve
1461	Valid palindrome "leetcode" #85	DSA — Strings dsa coding-practice	—	20	Easy	Solve
1462	Array sum (10 elements) #86	C# Programs — Arrays csharp coding-practice	—	20	Easy	Solve
1463	Longest substring without repeat #86	DSA — Strings dsa coding-practice	—	30	Medium	Solve
1464	T-SQL WHERE salary > 282500 #86	SQL Server — WHERE & filtering sqlserver coding-practice	—	30	Medium	Solve
1465	Anagram check #87	DSA — Strings dsa coding-practice	—	20	Easy	Solve
1466	Array max (11 elements) #87	C# Programs — Arrays csharp coding-practice	—	20	Easy	Solve
1467	T-SQL WHERE salary > 285000 #87	SQL Server — WHERE & filtering sqlserver coding-practice	—	20	Easy	Solve
1468	Reverse array #88	C# Programs — Arrays csharp coding-practice	—	30	Medium	Solve
1469	T-SQL WHERE salary > 287500 #88	SQL Server — WHERE & filtering sqlserver coding-practice	—	30	Medium	Solve
1470	Valid palindrome "interview" #88	DSA — Strings dsa coding-practice	—	20	Easy	Solve
1471	Linear search 11 #89	C# Programs — Arrays csharp coding-practice	—	20	Easy	Solve
1472	Longest substring without repeat #89	DSA — Strings dsa coding-practice	—	30	Medium	Solve
1473	T-SQL WHERE salary > 290000 #89	SQL Server — WHERE & filtering sqlserver coding-practice	—	40	Hard	Solve
1474	Anagram check #90	DSA — Strings dsa coding-practice	—	20	Easy	Solve
1475	Average array #90	C# Programs — Arrays csharp coding-practice	—	20	Easy	Solve
1476	T-SQL WHERE salary > 292500 #90	SQL Server — WHERE & filtering sqlserver coding-practice	—	30	Medium	Solve
1477	Array sum (5 elements) #91	C# Programs — Arrays csharp coding-practice	—	20	Easy	Solve
1478	T-SQL WHERE salary > 295000 #91	SQL Server — WHERE & filtering sqlserver coding-practice	—	20	Easy	Solve
1479	Valid palindrome "toolliyo" #91	DSA — Strings dsa coding-practice	—	20	Easy	Solve
1480	Array max (6 elements) #92	C# Programs — Arrays csharp coding-practice	—	20	Easy	Solve
1481	Longest substring without repeat #92	DSA — Strings dsa coding-practice	—	30	Medium	Solve
1482	T-SQL WHERE salary > 297500 #92	SQL Server — WHERE & filtering sqlserver coding-practice	—	30	Medium	Solve
1483	Anagram check #93	DSA — Strings dsa coding-practice	—	20	Easy	Solve
1484	Reverse array #93	C# Programs — Arrays csharp coding-practice	—	30	Medium	Solve
1485	T-SQL WHERE salary > 300000 #93	SQL Server — WHERE & filtering sqlserver coding-practice	—	40	Hard	Solve
1486	Linear search 6 #94	C# Programs — Arrays csharp coding-practice	—	20	Easy	Solve
1487	T-SQL WHERE salary > 302500 #94	SQL Server — WHERE & filtering sqlserver coding-practice	—	30	Medium	Solve
1488	Valid palindrome "neetcode" #94	DSA — Strings dsa coding-practice	—	20	Easy	Solve
1489	Average array #95	C# Programs — Arrays csharp coding-practice	—	20	Easy	Solve
1490	Longest substring without repeat #95	DSA — Strings dsa coding-practice	—	30	Medium	Solve
1491	T-SQL WHERE salary > 305000 #95	SQL Server — WHERE & filtering sqlserver coding-practice	—	20	Easy	Solve
1492	Anagram check #96	DSA — Strings dsa coding-practice	—	20	Easy	Solve
1493	Array sum (10 elements) #96	C# Programs — Arrays csharp coding-practice	—	20	Easy	Solve
1494	T-SQL WHERE salary > 307500 #96	SQL Server — WHERE & filtering sqlserver coding-practice	—	30	Medium	Solve
1495	Array max (11 elements) #97	C# Programs — Arrays csharp coding-practice	—	20	Easy	Solve
1496	T-SQL WHERE salary > 310000 #97	SQL Server — WHERE & filtering sqlserver coding-practice	—	40	Hard	Solve
1497	Valid palindrome "leetcode" #97	DSA — Strings dsa coding-practice	—	20	Easy	Solve
1498	Longest substring without repeat #98	DSA — Strings dsa coding-practice	—	30	Medium	Solve
1499	Reverse array #98	C# Programs — Arrays csharp coding-practice	—	30	Medium	Solve
1500	T-SQL WHERE salary > 312500 #98	SQL Server — WHERE & filtering sqlserver 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