Toolliyo Practice

Problems explorer

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

30 problems in this topic

# Title Topics Acceptance Pts Difficulty
1 Regular Expression Matching — 40 Hard Solve
2 Partition Labels — 30 Medium Solve
3 Minimum Interval to Include Each Query — 40 Hard Solve
4 Multiply Strings — 30 Medium Solve
5 Sum of Two Integers — 30 Medium Solve
6 Product of Array Except Self — 30 Medium Solve
7 Container With Most Water — 30 Medium Solve
8 Sliding Window Maximum — 40 Hard Solve
9 Largest Rectangle in Histogram — 40 Hard Solve
10 Median of Two Sorted Arrays — 40 Hard Solve
11 Linked List Cycle — 20 Easy Solve
12 Diameter of Binary Tree — 20 Easy Solve
13 Count Good Nodes in Binary Tree — 30 Medium Solve
14 Design Add and Search Words Data Structure — 30 Medium Solve
15 Design Twitter — 30 Medium Solve
16 Word Search — 30 Medium Solve
17 Pacific Atlantic Water Flow — 30 Medium Solve
18 Number of Connected Components in an Undirected Graph — 30 Medium Solve
19 Alien Dictionary — 40 Hard Solve
20 Palindromic Substrings — 30 Medium Solve
21 Unique Paths — 30 Medium Solve
22 Distinct Subsequences — 40 Hard Solve
23 Gas Station — 30 Medium Solve
24 Non-overlapping Intervals — 30 Medium Solve
25 Happy Number — 20 Easy Solve
26 Counting Bits — 20 Easy Solve
27 Two Sum — 20 Easy Solve
28 Valid Palindrome — 20 Easy Solve
29 Longest Repeating Character Replacement — 30 Medium Solve
30 Generate Parentheses — 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