Toolliyo Practice

Problems explorer

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

8773 problems

# Title Topics Acceptance Pts Difficulty
4751 First duplicate in array #39 — 20 Easy Solve
4752 Max in set #39 — 20 Easy Solve
4753 Max in set #39 — 20 Easy Solve
4754 Max in set #39 — 20 Easy Solve
4755 MongoDB indexing #39 — 30 Medium Solve
4756 MySQL AVG salary by dept #39 — 30 Medium Solve
4757 PostgreSQL GROUP BY HAVING #39 — 30 Medium Solve
4758 T-SQL AVG salary by department #39 — 20 Easy Solve
4759 math exercise #39 — 30 Medium Solve
4760 Avg by category #40 — 40 Hard Solve
4761 First duplicate in array #40 — 20 Easy Solve
4762 MongoDB indexing #40 — 30 Medium Solve
4763 MySQL AVG salary by dept #40 — 40 Hard Solve
4764 PostgreSQL GROUP BY HAVING #40 — 40 Hard Solve
4765 Reduce product #40 — 30 Medium Solve
4766 Reduce product #40 — 30 Medium Solve
4767 Reduce product #40 — 30 Medium Solve
4768 T-SQL AVG salary by department #40 — 30 Medium Solve
4769 math exercise #40 — 40 Hard Solve
4770 Avg by category #41 — 30 Medium Solve
4771 First duplicate in array #41 — 20 Easy Solve
4772 MongoDB indexing #41 — 30 Medium Solve
4773 MySQL AVG salary by dept #41 — 30 Medium Solve
4774 PostgreSQL GROUP BY HAVING #41 — 30 Medium Solve
4775 Sum 1..15 #41 — 40 Hard Solve
4776 Sum 1..15 #41 — 40 Hard Solve
4777 Sum 1..15 #41 — 40 Hard Solve
4778 T-SQL AVG salary by department #41 — 40 Hard Solve
4779 math exercise #41 — 30 Medium Solve
4780 Avg by category #42 — 30 Medium Solve
4781 Filter evens #42 — 30 Medium Solve
4782 Filter evens #42 — 30 Medium Solve
4783 Filter evens #42 — 30 Medium Solve
4784 First duplicate in array #42 — 20 Easy Solve
4785 MongoDB indexing #42 — 30 Medium Solve
4786 MySQL AVG salary by dept #42 — 30 Medium Solve
4787 PostgreSQL GROUP BY HAVING #42 — 30 Medium Solve
4788 T-SQL AVG salary by department #42 — 30 Medium Solve
4789 math exercise #42 — 30 Medium Solve
4790 Avg by category #43 — 40 Hard Solve
4791 First duplicate in array #43 — 20 Easy Solve
4792 Map squares #43 — 20 Easy Solve
4793 Map squares #43 — 20 Easy Solve
4794 Map squares #43 — 20 Easy Solve
4795 MongoDB indexing #43 — 30 Medium Solve
4796 MySQL AVG salary by dept #43 — 40 Hard Solve
4797 PostgreSQL GROUP BY HAVING #43 — 40 Hard Solve
4798 T-SQL AVG salary by department #43 — 20 Easy Solve
4799 math exercise #43 — 40 Hard Solve
4800 Avg by category #44 — 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