Toolliyo Practice

Problems explorer

Browse by topic · auto-judge · company sheets · roadmaps — not just a problem dump.

DSA 150 Company DSA Contests
All C# Programs — Data Structures 167 DSA — Trees 105 C# Programs — Arrays 105 DSA — Two Pointers 105 DSA — Strings 105 DSA — Dynamic Programming 105 DSA — Hashing 105 DSA — Binary Search 105 DSA — Arrays 105 DSA — Sorting 105 DSA — Graphs 105 DSA — Stacks & Queues 105 C# Programs — Strings 105 C# Programs — LINQ 104 C# Programs — Collections 103 C# Programs — OOP 103 C# Programs — Sorting 103 SQL Server — CTEs 101 SQL Server — SELECT basics 101 C# Programs — Interfaces 101 SQL Server — JOINs 101 SQL Server — WHERE & filtering 101 SQL Server — Window functions 101 SQL Server — Aggregates & GROUP BY 101 C# Programs — Inheritance 101 SQL Server — T-SQL procedures 101 SQL Server — Indexes & plans 101 SQL Server — DDL & constraints 101

248 problems in this topic

# Title Topics Acceptance Pts Difficulty
101 PostgreSQL ROW_NUMBER partition #3
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
102 PostgreSQL ROW_NUMBER partition #4
PostgreSQL — Window functions postgresql coding-practice
— 40 Hard Solve
103 PostgreSQL ROW_NUMBER partition #5
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
104 PostgreSQL ROW_NUMBER partition #6
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
105 PostgreSQL ROW_NUMBER partition #7
PostgreSQL — Window functions postgresql coding-practice
— 40 Hard Solve
106 PostgreSQL ROW_NUMBER partition #8
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
107 PostgreSQL ROW_NUMBER partition #9
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
108 PostgreSQL ROW_NUMBER partition #10
PostgreSQL — Window functions postgresql coding-practice
— 40 Hard Solve
109 PostgreSQL ROW_NUMBER partition #11
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
110 PostgreSQL ROW_NUMBER partition #12
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
111 PostgreSQL ROW_NUMBER partition #13
PostgreSQL — Window functions postgresql coding-practice
— 40 Hard Solve
112 PostgreSQL ROW_NUMBER partition #14
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
113 PostgreSQL ROW_NUMBER partition #15
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
114 PostgreSQL ROW_NUMBER partition #16
PostgreSQL — Window functions postgresql coding-practice
— 40 Hard Solve
115 PostgreSQL ROW_NUMBER partition #17
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
116 PostgreSQL ROW_NUMBER partition #18
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
117 PostgreSQL ROW_NUMBER partition #19
PostgreSQL — Window functions postgresql coding-practice
— 40 Hard Solve
118 PostgreSQL ROW_NUMBER partition #20
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
119 PostgreSQL ROW_NUMBER partition #21
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
120 PostgreSQL ROW_NUMBER partition #22
PostgreSQL — Window functions postgresql coding-practice
— 40 Hard Solve
121 PostgreSQL ROW_NUMBER partition #23
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
122 PostgreSQL ROW_NUMBER partition #24
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
123 PostgreSQL ROW_NUMBER partition #25
PostgreSQL — Window functions postgresql coding-practice
— 40 Hard Solve
124 PostgreSQL ROW_NUMBER partition #26
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
125 PostgreSQL ROW_NUMBER partition #27
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
126 PostgreSQL ROW_NUMBER partition #28
PostgreSQL — Window functions postgresql coding-practice
— 40 Hard Solve
127 PostgreSQL ROW_NUMBER partition #29
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
128 PostgreSQL ROW_NUMBER partition #30
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
129 PostgreSQL ROW_NUMBER partition #31
PostgreSQL — Window functions postgresql coding-practice
— 40 Hard Solve
130 PostgreSQL ROW_NUMBER partition #32
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
131 PostgreSQL ROW_NUMBER partition #33
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
132 PostgreSQL ROW_NUMBER partition #34
PostgreSQL — Window functions postgresql coding-practice
— 40 Hard Solve
133 PostgreSQL ROW_NUMBER partition #35
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
134 PostgreSQL ROW_NUMBER partition #36
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
135 PostgreSQL ROW_NUMBER partition #37
PostgreSQL — Window functions postgresql coding-practice
— 40 Hard Solve
136 PostgreSQL ROW_NUMBER partition #38
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
137 PostgreSQL ROW_NUMBER partition #39
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
138 PostgreSQL ROW_NUMBER partition #40
PostgreSQL — Window functions postgresql coding-practice
— 40 Hard Solve
139 PostgreSQL ROW_NUMBER partition #41
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
140 PostgreSQL ROW_NUMBER partition #42
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
141 PostgreSQL ROW_NUMBER partition #43
PostgreSQL — Window functions postgresql coding-practice
— 40 Hard Solve
142 PostgreSQL ROW_NUMBER partition #44
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
143 PostgreSQL ROW_NUMBER partition #45
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
144 PostgreSQL ROW_NUMBER partition #46
PostgreSQL — Window functions postgresql coding-practice
— 40 Hard Solve
145 PostgreSQL ROW_NUMBER partition #47
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
146 PostgreSQL ROW_NUMBER partition #48
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
147 PostgreSQL ROW_NUMBER partition #49
PostgreSQL — Window functions postgresql coding-practice
— 40 Hard Solve
148 PostgreSQL ROW_NUMBER partition #50
PostgreSQL — Window functions postgresql coding-practice
— 30 Medium Solve
149 T-SQL PARTITION BY dept #1
SQL Server — Window functions sqlserver coding-practice
— 40 Hard Solve
150 T-SQL PARTITION BY dept #2
SQL Server — Window functions sqlserver coding-practice
— 30 Medium Solve
Toolliyo Assistant
Ask about tutorials, ebooks, training, pricing, mentor services, and support. I use public site content only—not admin or internal tools.

care@toolliyo.com

Need callback? Share your details